Home / 1,453,411.20-2,181,412.80-853,622.40

Finding the Fourth Proportional to 1,453,411.20, 2,181,412.80 and 853,622.40

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Solution

The fourth proportional to 1,453,411.20, 2,181,412.80 and 853,622.40 is: 1,281,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,411.20 : 2,181,412.80 = 853,622.40 : x
  2. Step 2: Convert to fraction form
    1,453,411.20/2,181,412.80 = 853,622.40/x
  3. Step 3: Cross multiply
    1,453,411.20x = 2,181,412.80 × 853,622.40
  4. Step 4: Simplify right side
    1,453,411.20x = 1,862,102,829,726.72
  5. Step 5: Solve for x
    x = 1,862,102,829,726.72/1,453,411.20
  6. Step 6: Final answer
    x = 1,281,194.77

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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.