Home / 877,176.78-1,210,298.67-514,581.90

Finding the Fourth Proportional to 877,176.78, 1,210,298.67 and 514,581.90

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Solution

The fourth proportional to 877,176.78, 1,210,298.67 and 514,581.90 is: 710,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,176.78 : 1,210,298.67 = 514,581.90 : x
  2. Step 2: Convert to fraction form
    877,176.78/1,210,298.67 = 514,581.90/x
  3. Step 3: Cross multiply
    877,176.78x = 1,210,298.67 × 514,581.90
  4. Step 4: Simplify right side
    877,176.78x = 622,797,789,176.07
  5. Step 5: Solve for x
    x = 622,797,789,176.07/877,176.78
  6. Step 6: Final answer
    x = 710,002.59

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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.