Home / 1,639,971.60-2,459,957.40-575,121.30

Finding the Fourth Proportional to 1,639,971.60, 2,459,957.40 and 575,121.30

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Solution

The fourth proportional to 1,639,971.60, 2,459,957.40 and 575,121.30 is: 862,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,971.60 : 2,459,957.40 = 575,121.30 : x
  2. Step 2: Convert to fraction form
    1,639,971.60/2,459,957.40 = 575,121.30/x
  3. Step 3: Cross multiply
    1,639,971.60x = 2,459,957.40 × 575,121.30
  4. Step 4: Simplify right side
    1,639,971.60x = 1,414,773,897,832.62
  5. Step 5: Solve for x
    x = 1,414,773,897,832.62/1,639,971.60
  6. Step 6: Final answer
    x = 862,681.95

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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.