Home / 983,876.40-1,476,470.70-451,123.20

Finding the Fourth Proportional to 983,876.40, 1,476,470.70 and 451,123.20

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Solution

The fourth proportional to 983,876.40, 1,476,470.70 and 451,123.20 is: 676,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,876.40 : 1,476,470.70 = 451,123.20 : x
  2. Step 2: Convert to fraction form
    983,876.40/1,476,470.70 = 451,123.20/x
  3. Step 3: Cross multiply
    983,876.40x = 1,476,470.70 × 451,123.20
  4. Step 4: Simplify right side
    983,876.40x = 666,070,186,890.24
  5. Step 5: Solve for x
    x = 666,070,186,890.24/983,876.40
  6. Step 6: Final answer
    x = 676,985.63

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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.