Home / 924,970.76-1,387,424.46-392,148.68

Finding the Fourth Proportional to 924,970.76, 1,387,424.46 and 392,148.68

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Solution

The fourth proportional to 924,970.76, 1,387,424.46 and 392,148.68 is: 588,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,970.76 : 1,387,424.46 = 392,148.68 : x
  2. Step 2: Convert to fraction form
    924,970.76/1,387,424.46 = 392,148.68/x
  3. Step 3: Cross multiply
    924,970.76x = 1,387,424.46 × 392,148.68
  4. Step 4: Simplify right side
    924,970.76x = 544,076,670,588.71
  5. Step 5: Solve for x
    x = 544,076,670,588.71/924,970.76
  6. Step 6: Final answer
    x = 588,209.59

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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.