Home / 1,053,898.11-1,454,407.61-640,294.11

Finding the Fourth Proportional to 1,053,898.11, 1,454,407.61 and 640,294.11

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Solution

The fourth proportional to 1,053,898.11, 1,454,407.61 and 640,294.11 is: 883,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,898.11 : 1,454,407.61 = 640,294.11 : x
  2. Step 2: Convert to fraction form
    1,053,898.11/1,454,407.61 = 640,294.11/x
  3. Step 3: Cross multiply
    1,053,898.11x = 1,454,407.61 × 640,294.11
  4. Step 4: Simplify right side
    1,053,898.11x = 931,248,623,020.71
  5. Step 5: Solve for x
    x = 931,248,623,020.71/1,053,898.11
  6. Step 6: Final answer
    x = 883,623.01

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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.