Home / 887,141.82-1,224,254.52-505,168.62

Finding the Fourth Proportional to 887,141.82, 1,224,254.52 and 505,168.62

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Solution

The fourth proportional to 887,141.82, 1,224,254.52 and 505,168.62 is: 697,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,141.82 : 1,224,254.52 = 505,168.62 : x
  2. Step 2: Convert to fraction form
    887,141.82/1,224,254.52 = 505,168.62/x
  3. Step 3: Cross multiply
    887,141.82x = 1,224,254.52 × 505,168.62
  4. Step 4: Simplify right side
    887,141.82x = 618,454,966,397.16
  5. Step 5: Solve for x
    x = 618,454,966,397.16/887,141.82
  6. Step 6: Final answer
    x = 697,132.02

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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.