Home / 651,602.20-977,403.30-651,602.20

Finding the Fourth Proportional to 651,602.20, 977,403.30 and 651,602.20

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Solution

The fourth proportional to 651,602.20, 977,403.30 and 651,602.20 is: 977,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,602.20 : 977,403.30 = 651,602.20 : x
  2. Step 2: Convert to fraction form
    651,602.20/977,403.30 = 651,602.20/x
  3. Step 3: Cross multiply
    651,602.20x = 977,403.30 × 651,602.20
  4. Step 4: Simplify right side
    651,602.20x = 636,878,140,567.26
  5. Step 5: Solve for x
    x = 636,878,140,567.26/651,602.20
  6. Step 6: Final answer
    x = 977,403.30

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Half scale
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Double scale
Find fourth proportional to 651,603.20, 977,404.80 and 651,603.20
Similar ratio
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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.