Home / 916,278.60-1,377,370.35-651,870.30

Finding the Fourth Proportional to 916,278.60, 1,377,370.35 and 651,870.30

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Solution

The fourth proportional to 916,278.60, 1,377,370.35 and 651,870.30 is: 979,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,278.60 : 1,377,370.35 = 651,870.30 : x
  2. Step 2: Convert to fraction form
    916,278.60/1,377,370.35 = 651,870.30/x
  3. Step 3: Cross multiply
    916,278.60x = 1,377,370.35 × 651,870.30
  4. Step 4: Simplify right side
    916,278.60x = 897,866,823,265.61
  5. Step 5: Solve for x
    x = 897,866,823,265.61/916,278.60
  6. Step 6: Final answer
    x = 979,905.92

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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.