Home / 1,053,811.87-1,454,264.79-570,376.89

Finding the Fourth Proportional to 1,053,811.87, 1,454,264.79 and 570,376.89

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Solution

The fourth proportional to 1,053,811.87, 1,454,264.79 and 570,376.89 is: 787,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,811.87 : 1,454,264.79 = 570,376.89 : x
  2. Step 2: Convert to fraction form
    1,053,811.87/1,454,264.79 = 570,376.89/x
  3. Step 3: Cross multiply
    1,053,811.87x = 1,454,264.79 × 570,376.89
  4. Step 4: Simplify right side
    1,053,811.87x = 829,479,026,017.79
  5. Step 5: Solve for x
    x = 829,479,026,017.79/1,053,811.87
  6. Step 6: Final answer
    x = 787,122.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.