Home / 924,040.40-1,386,200.12-391,563.60

Finding the Fourth Proportional to 924,040.40, 1,386,200.12 and 391,563.60

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Solution

The fourth proportional to 924,040.40, 1,386,200.12 and 391,563.60 is: 587,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,040.40 : 1,386,200.12 = 391,563.60 : x
  2. Step 2: Convert to fraction form
    924,040.40/1,386,200.12 = 391,563.60/x
  3. Step 3: Cross multiply
    924,040.40x = 1,386,200.12 × 391,563.60
  4. Step 4: Simplify right side
    924,040.40x = 542,785,509,307.63
  5. Step 5: Solve for x
    x = 542,785,509,307.63/924,040.40
  6. Step 6: Final answer
    x = 587,404.52

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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.