Home / 765,118.08-1,056,147.12-657,255.20

Finding the Fourth Proportional to 765,118.08, 1,056,147.12 and 657,255.20

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Solution

The fourth proportional to 765,118.08, 1,056,147.12 and 657,255.20 is: 907,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,118.08 : 1,056,147.12 = 657,255.20 : x
  2. Step 2: Convert to fraction form
    765,118.08/1,056,147.12 = 657,255.20/x
  3. Step 3: Cross multiply
    765,118.08x = 1,056,147.12 × 657,255.20
  4. Step 4: Simplify right side
    765,118.08x = 694,158,186,585.02
  5. Step 5: Solve for x
    x = 694,158,186,585.02/765,118.08
  6. Step 6: Final answer
    x = 907,256.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.