Home / 781,368.10-1,170,083.85-623,904.10

Finding the Fourth Proportional to 781,368.10, 1,170,083.85 and 623,904.10

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Solution

The fourth proportional to 781,368.10, 1,170,083.85 and 623,904.10 is: 934,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,368.10 : 1,170,083.85 = 623,904.10 : x
  2. Step 2: Convert to fraction form
    781,368.10/1,170,083.85 = 623,904.10/x
  3. Step 3: Cross multiply
    781,368.10x = 1,170,083.85 × 623,904.10
  4. Step 4: Simplify right side
    781,368.10x = 730,020,111,358.79
  5. Step 5: Solve for x
    x = 730,020,111,358.79/781,368.10
  6. Step 6: Final answer
    x = 934,284.51

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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.