Home / 840,855.28-1,160,369.40-514,059.16

Finding the Fourth Proportional to 840,855.28, 1,160,369.40 and 514,059.16

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Solution

The fourth proportional to 840,855.28, 1,160,369.40 and 514,059.16 is: 709,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,855.28 : 1,160,369.40 = 514,059.16 : x
  2. Step 2: Convert to fraction form
    840,855.28/1,160,369.40 = 514,059.16/x
  3. Step 3: Cross multiply
    840,855.28x = 1,160,369.40 × 514,059.16
  4. Step 4: Simplify right side
    840,855.28x = 596,498,519,053.70
  5. Step 5: Solve for x
    x = 596,498,519,053.70/840,855.28
  6. Step 6: Final answer
    x = 709,394.99

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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.