Home / 876,427.52-1,209,470.04-474,019.52

Finding the Fourth Proportional to 876,427.52, 1,209,470.04 and 474,019.52

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Solution

The fourth proportional to 876,427.52, 1,209,470.04 and 474,019.52 is: 654,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,427.52 : 1,209,470.04 = 474,019.52 : x
  2. Step 2: Convert to fraction form
    876,427.52/1,209,470.04 = 474,019.52/x
  3. Step 3: Cross multiply
    876,427.52x = 1,209,470.04 × 474,019.52
  4. Step 4: Simplify right side
    876,427.52x = 573,312,407,815.18
  5. Step 5: Solve for x
    x = 573,312,407,815.18/876,427.52
  6. Step 6: Final answer
    x = 654,146.97

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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.