Home / 781,357.60-1,170,068.10-623,893.60

Finding the Fourth Proportional to 781,357.60, 1,170,068.10 and 623,893.60

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Solution

The fourth proportional to 781,357.60, 1,170,068.10 and 623,893.60 is: 934,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,357.60 : 1,170,068.10 = 623,893.60 : x
  2. Step 2: Convert to fraction form
    781,357.60/1,170,068.10 = 623,893.60/x
  3. Step 3: Cross multiply
    781,357.60x = 1,170,068.10 × 623,893.60
  4. Step 4: Simplify right side
    781,357.60x = 729,997,999,154.16
  5. Step 5: Solve for x
    x = 729,997,999,154.16/781,357.60
  6. Step 6: Final answer
    x = 934,268.76

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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.