Home / 1,234,177.50-1,703,322.66-690,343.50

Finding the Fourth Proportional to 1,234,177.50, 1,703,322.66 and 690,343.50

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Solution

The fourth proportional to 1,234,177.50, 1,703,322.66 and 690,343.50 is: 952,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,177.50 : 1,703,322.66 = 690,343.50 : x
  2. Step 2: Convert to fraction form
    1,234,177.50/1,703,322.66 = 690,343.50/x
  3. Step 3: Cross multiply
    1,234,177.50x = 1,703,322.66 × 690,343.50
  4. Step 4: Simplify right side
    1,234,177.50x = 1,175,877,726,733.71
  5. Step 5: Solve for x
    x = 1,175,877,726,733.71/1,234,177.50
  6. Step 6: Final answer
    x = 952,762.25

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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.