Home / 877,134.39-1,210,455.56-514,564.42

Finding the Fourth Proportional to 877,134.39, 1,210,455.56 and 514,564.42

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Solution

The fourth proportional to 877,134.39, 1,210,455.56 and 514,564.42 is: 710,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,134.39 : 1,210,455.56 = 514,564.42 : x
  2. Step 2: Convert to fraction form
    877,134.39/1,210,455.56 = 514,564.42/x
  3. Step 3: Cross multiply
    877,134.39x = 1,210,455.56 × 514,564.42
  4. Step 4: Simplify right side
    877,134.39x = 622,857,363,167.18
  5. Step 5: Solve for x
    x = 622,857,363,167.18/877,134.39
  6. Step 6: Final answer
    x = 710,104.83

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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.