Home / 1,038,354.64-1,557,696.64-439,320.29

Finding the Fourth Proportional to 1,038,354.64, 1,557,696.64 and 439,320.29

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Solution

The fourth proportional to 1,038,354.64, 1,557,696.64 and 439,320.29 is: 659,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,354.64 : 1,557,696.64 = 439,320.29 : x
  2. Step 2: Convert to fraction form
    1,038,354.64/1,557,696.64 = 439,320.29/x
  3. Step 3: Cross multiply
    1,038,354.64x = 1,557,696.64 × 439,320.29
  4. Step 4: Simplify right side
    1,038,354.64x = 684,327,730,730.04
  5. Step 5: Solve for x
    x = 684,327,730,730.04/1,038,354.64
  6. Step 6: Final answer
    x = 659,050.10

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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.