Home / 834,117.03-1,251,385.70-385,152.57

Finding the Fourth Proportional to 834,117.03, 1,251,385.70 and 385,152.57

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Solution

The fourth proportional to 834,117.03, 1,251,385.70 and 385,152.57 is: 577,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,117.03 : 1,251,385.70 = 385,152.57 : x
  2. Step 2: Convert to fraction form
    834,117.03/1,251,385.70 = 385,152.57/x
  3. Step 3: Cross multiply
    834,117.03x = 1,251,385.70 × 385,152.57
  4. Step 4: Simplify right side
    834,117.03x = 481,974,416,490.49
  5. Step 5: Solve for x
    x = 481,974,416,490.49/834,117.03
  6. Step 6: Final answer
    x = 577,825.89

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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.