Home / 1,528,432.50-2,107,013.85-1,068,117.93

Finding the Fourth Proportional to 1,528,432.50, 2,107,013.85 and 1,068,117.93

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Solution

The fourth proportional to 1,528,432.50, 2,107,013.85 and 1,068,117.93 is: 1,472,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,432.50 : 2,107,013.85 = 1,068,117.93 : x
  2. Step 2: Convert to fraction form
    1,528,432.50/2,107,013.85 = 1,068,117.93/x
  3. Step 3: Cross multiply
    1,528,432.50x = 2,107,013.85 × 1,068,117.93
  4. Step 4: Simplify right side
    1,528,432.50x = 2,250,539,271,943.33
  5. Step 5: Solve for x
    x = 2,250,539,271,943.33/1,528,432.50
  6. Step 6: Final answer
    x = 1,472,449.24

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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.