Home / 867,365.42-1,197,089.53-499,772.18

Finding the Fourth Proportional to 867,365.42, 1,197,089.53 and 499,772.18

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Solution

The fourth proportional to 867,365.42, 1,197,089.53 and 499,772.18 is: 689,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,365.42 : 1,197,089.53 = 499,772.18 : x
  2. Step 2: Convert to fraction form
    867,365.42/1,197,089.53 = 499,772.18/x
  3. Step 3: Cross multiply
    867,365.42x = 1,197,089.53 × 499,772.18
  4. Step 4: Simplify right side
    867,365.42x = 598,272,041,884.16
  5. Step 5: Solve for x
    x = 598,272,041,884.16/867,365.42
  6. Step 6: Final answer
    x = 689,757.78

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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.