Home / 876,363.66-1,210,119.30-554,641.38

Finding the Fourth Proportional to 876,363.66, 1,210,119.30 and 554,641.38

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Solution

The fourth proportional to 876,363.66, 1,210,119.30 and 554,641.38 is: 765,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,363.66 : 1,210,119.30 = 554,641.38 : x
  2. Step 2: Convert to fraction form
    876,363.66/1,210,119.30 = 554,641.38/x
  3. Step 3: Cross multiply
    876,363.66x = 1,210,119.30 × 554,641.38
  4. Step 4: Simplify right side
    876,363.66x = 671,182,238,516.63
  5. Step 5: Solve for x
    x = 671,182,238,516.63/876,363.66
  6. Step 6: Final answer
    x = 765,871.83

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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.