Home / 1,066,909.80-1,598,129.10-498,775.80

Finding the Fourth Proportional to 1,066,909.80, 1,598,129.10 and 498,775.80

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Solution

The fourth proportional to 1,066,909.80, 1,598,129.10 and 498,775.80 is: 747,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,909.80 : 1,598,129.10 = 498,775.80 : x
  2. Step 2: Convert to fraction form
    1,066,909.80/1,598,129.10 = 498,775.80/x
  3. Step 3: Cross multiply
    1,066,909.80x = 1,598,129.10 × 498,775.80
  4. Step 4: Simplify right side
    1,066,909.80x = 797,108,120,355.78
  5. Step 5: Solve for x
    x = 797,108,120,355.78/1,066,909.80
  6. Step 6: Final answer
    x = 747,118.57

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Double scale
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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.