Home / 410,931.80-616,008.90-242,581.40

Finding the Fourth Proportional to 410,931.80, 616,008.90 and 242,581.40

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Solution

The fourth proportional to 410,931.80, 616,008.90 and 242,581.40 is: 363,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,931.80 : 616,008.90 = 242,581.40 : x
  2. Step 2: Convert to fraction form
    410,931.80/616,008.90 = 242,581.40/x
  3. Step 3: Cross multiply
    410,931.80x = 616,008.90 × 242,581.40
  4. Step 4: Simplify right side
    410,931.80x = 149,432,301,374.46
  5. Step 5: Solve for x
    x = 149,432,301,374.46/410,931.80
  6. Step 6: Final answer
    x = 363,642.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.