Home / 1,128,432.00-1,557,205.76-686,740.92

Finding the Fourth Proportional to 1,128,432.00, 1,557,205.76 and 686,740.92

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Solution

The fourth proportional to 1,128,432.00, 1,557,205.76 and 686,740.92 is: 947,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,432.00 : 1,557,205.76 = 686,740.92 : x
  2. Step 2: Convert to fraction form
    1,128,432.00/1,557,205.76 = 686,740.92/x
  3. Step 3: Cross multiply
    1,128,432.00x = 1,557,205.76 × 686,740.92
  4. Step 4: Simplify right side
    1,128,432.00x = 1,069,396,912,817.99
  5. Step 5: Solve for x
    x = 1,069,396,912,817.99/1,128,432.00
  6. Step 6: Final answer
    x = 947,683.97

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1.5x scale

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.