Home / 723,904.40-1,085,856.60-534,947.60

Finding the Fourth Proportional to 723,904.40, 1,085,856.60 and 534,947.60

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Solution

The fourth proportional to 723,904.40, 1,085,856.60 and 534,947.60 is: 802,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,904.40 : 1,085,856.60 = 534,947.60 : x
  2. Step 2: Convert to fraction form
    723,904.40/1,085,856.60 = 534,947.60/x
  3. Step 3: Cross multiply
    723,904.40x = 1,085,856.60 × 534,947.60
  4. Step 4: Simplify right side
    723,904.40x = 580,876,382,114.16
  5. Step 5: Solve for x
    x = 580,876,382,114.16/723,904.40
  6. Step 6: Final answer
    x = 802,421.40

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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.