Home / 977,636.80-1,467,111.30-577,853.20

Finding the Fourth Proportional to 977,636.80, 1,467,111.30 and 577,853.20

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Solution

The fourth proportional to 977,636.80, 1,467,111.30 and 577,853.20 is: 867,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,636.80 : 1,467,111.30 = 577,853.20 : x
  2. Step 2: Convert to fraction form
    977,636.80/1,467,111.30 = 577,853.20/x
  3. Step 3: Cross multiply
    977,636.80x = 1,467,111.30 × 577,853.20
  4. Step 4: Simplify right side
    977,636.80x = 847,774,959,461.16
  5. Step 5: Solve for x
    x = 847,774,959,461.16/977,636.80
  6. Step 6: Final answer
    x = 867,167.60

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Double scale
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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.