Home / 445,966.83-615,434.62-242,017.76

Finding the Fourth Proportional to 445,966.83, 615,434.62 and 242,017.76

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Solution

The fourth proportional to 445,966.83, 615,434.62 and 242,017.76 is: 333,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,966.83 : 615,434.62 = 242,017.76 : x
  2. Step 2: Convert to fraction form
    445,966.83/615,434.62 = 242,017.76/x
  3. Step 3: Cross multiply
    445,966.83x = 615,434.62 × 242,017.76
  4. Step 4: Simplify right side
    445,966.83x = 148,946,108,158.85
  5. Step 5: Solve for x
    x = 148,946,108,158.85/445,966.83
  6. Step 6: Final answer
    x = 333,984.72

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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.