Home / 1,103,685.60-1,523,062.80-651,122.40

Finding the Fourth Proportional to 1,103,685.60, 1,523,062.80 and 651,122.40

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Solution

The fourth proportional to 1,103,685.60, 1,523,062.80 and 651,122.40 is: 898,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,685.60 : 1,523,062.80 = 651,122.40 : x
  2. Step 2: Convert to fraction form
    1,103,685.60/1,523,062.80 = 651,122.40/x
  3. Step 3: Cross multiply
    1,103,685.60x = 1,523,062.80 × 651,122.40
  4. Step 4: Simplify right side
    1,103,685.60x = 991,700,305,686.72
  5. Step 5: Solve for x
    x = 991,700,305,686.72/1,103,685.60
  6. Step 6: Final answer
    x = 898,535.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.