Home / 924,376.20-1,386,564.30-619,945.80

Finding the Fourth Proportional to 924,376.20, 1,386,564.30 and 619,945.80

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Solution

The fourth proportional to 924,376.20, 1,386,564.30 and 619,945.80 is: 929,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,376.20 : 1,386,564.30 = 619,945.80 : x
  2. Step 2: Convert to fraction form
    924,376.20/1,386,564.30 = 619,945.80/x
  3. Step 3: Cross multiply
    924,376.20x = 1,386,564.30 × 619,945.80
  4. Step 4: Simplify right side
    924,376.20x = 859,594,714,214.94
  5. Step 5: Solve for x
    x = 859,594,714,214.94/924,376.20
  6. Step 6: Final answer
    x = 929,918.70

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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.