Home / 1,053,942.15-1,454,438.95-570,507.15

Finding the Fourth Proportional to 1,053,942.15, 1,454,438.95 and 570,507.15

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Solution

The fourth proportional to 1,053,942.15, 1,454,438.95 and 570,507.15 is: 787,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,942.15 : 1,454,438.95 = 570,507.15 : x
  2. Step 2: Convert to fraction form
    1,053,942.15/1,454,438.95 = 570,507.15/x
  3. Step 3: Cross multiply
    1,053,942.15x = 1,454,438.95 × 570,507.15
  4. Step 4: Simplify right side
    1,053,942.15x = 829,767,820,213.49
  5. Step 5: Solve for x
    x = 829,767,820,213.49/1,053,942.15
  6. Step 6: Final answer
    x = 787,299.21

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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.