Home / 839,411.28-1,157,564.61-532,955.62

Finding the Fourth Proportional to 839,411.28, 1,157,564.61 and 532,955.62

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Solution

The fourth proportional to 839,411.28, 1,157,564.61 and 532,955.62 is: 734,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,411.28 : 1,157,564.61 = 532,955.62 : x
  2. Step 2: Convert to fraction form
    839,411.28/1,157,564.61 = 532,955.62/x
  3. Step 3: Cross multiply
    839,411.28x = 1,157,564.61 × 532,955.62
  4. Step 4: Simplify right side
    839,411.28x = 616,930,564,412.61
  5. Step 5: Solve for x
    x = 616,930,564,412.61/839,411.28
  6. Step 6: Final answer
    x = 734,956.25

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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.