Home / 702,921.60-1,052,948.80-435,862.40

Finding the Fourth Proportional to 702,921.60, 1,052,948.80 and 435,862.40

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Solution

The fourth proportional to 702,921.60, 1,052,948.80 and 435,862.40 is: 652,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,921.60 : 1,052,948.80 = 435,862.40 : x
  2. Step 2: Convert to fraction form
    702,921.60/1,052,948.80 = 435,862.40/x
  3. Step 3: Cross multiply
    702,921.60x = 1,052,948.80 × 435,862.40
  4. Step 4: Simplify right side
    702,921.60x = 458,940,791,045.12
  5. Step 5: Solve for x
    x = 458,940,791,045.12/702,921.60
  6. Step 6: Final answer
    x = 652,904.66

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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.