Home / 650,001.36-896,975.28-378,077.04

Finding the Fourth Proportional to 650,001.36, 896,975.28 and 378,077.04

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Solution

The fourth proportional to 650,001.36, 896,975.28 and 378,077.04 is: 521,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,001.36 : 896,975.28 = 378,077.04 : x
  2. Step 2: Convert to fraction form
    650,001.36/896,975.28 = 378,077.04/x
  3. Step 3: Cross multiply
    650,001.36x = 896,975.28 × 378,077.04
  4. Step 4: Simplify right side
    650,001.36x = 339,125,758,815.57
  5. Step 5: Solve for x
    x = 339,125,758,815.57/650,001.36
  6. Step 6: Final answer
    x = 521,730.85

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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.