Home / 1,711,120.32-2,571,333.12-912,965.76

Finding the Fourth Proportional to 1,711,120.32, 2,571,333.12 and 912,965.76

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Solution

The fourth proportional to 1,711,120.32, 2,571,333.12 and 912,965.76 is: 1,371,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,120.32 : 2,571,333.12 = 912,965.76 : x
  2. Step 2: Convert to fraction form
    1,711,120.32/2,571,333.12 = 912,965.76/x
  3. Step 3: Cross multiply
    1,711,120.32x = 2,571,333.12 × 912,965.76
  4. Step 4: Simplify right side
    1,711,120.32x = 2,347,539,096,113.97
  5. Step 5: Solve for x
    x = 2,347,539,096,113.97/1,711,120.32
  6. Step 6: Final answer
    x = 1,371,931.05

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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.