Home / 695,502.80-1,043,254.20-648,501.20

Finding the Fourth Proportional to 695,502.80, 1,043,254.20 and 648,501.20

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Solution

The fourth proportional to 695,502.80, 1,043,254.20 and 648,501.20 is: 972,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,502.80 : 1,043,254.20 = 648,501.20 : x
  2. Step 2: Convert to fraction form
    695,502.80/1,043,254.20 = 648,501.20/x
  3. Step 3: Cross multiply
    695,502.80x = 1,043,254.20 × 648,501.20
  4. Step 4: Simplify right side
    695,502.80x = 676,551,600,605.04
  5. Step 5: Solve for x
    x = 676,551,600,605.04/695,502.80
  6. Step 6: Final answer
    x = 972,751.80

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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.