Home / 651,636.20-977,454.30-651,636.20

Finding the Fourth Proportional to 651,636.20, 977,454.30 and 651,636.20

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Solution

The fourth proportional to 651,636.20, 977,454.30 and 651,636.20 is: 977,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,636.20 : 977,454.30 = 651,636.20 : x
  2. Step 2: Convert to fraction form
    651,636.20/977,454.30 = 651,636.20/x
  3. Step 3: Cross multiply
    651,636.20x = 977,454.30 × 651,636.20
  4. Step 4: Simplify right side
    651,636.20x = 636,944,605,725.66
  5. Step 5: Solve for x
    x = 636,944,605,725.66/651,636.20
  6. Step 6: Final answer
    x = 977,454.30

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Half scale
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Double scale
Find fourth proportional to 651,637.20, 977,455.80 and 651,637.20
Similar ratio
Find fourth proportional to 977,454.30, 1,466,181.45 and 977,454.30
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.