Home / 875,130.50-1,207,681.17-472,722.50

Finding the Fourth Proportional to 875,130.50, 1,207,681.17 and 472,722.50

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Solution

The fourth proportional to 875,130.50, 1,207,681.17 and 472,722.50 is: 652,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,130.50 : 1,207,681.17 = 472,722.50 : x
  2. Step 2: Convert to fraction form
    875,130.50/1,207,681.17 = 472,722.50/x
  3. Step 3: Cross multiply
    875,130.50x = 1,207,681.17 × 472,722.50
  4. Step 4: Simplify right side
    875,130.50x = 570,898,061,885.33
  5. Step 5: Solve for x
    x = 570,898,061,885.33/875,130.50
  6. Step 6: Final answer
    x = 652,357.63

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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.