Home / 876,798.04-1,209,981.22-474,390.04

Finding the Fourth Proportional to 876,798.04, 1,209,981.22 and 474,390.04

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Solution

The fourth proportional to 876,798.04, 1,209,981.22 and 474,390.04 is: 654,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,798.04 : 1,209,981.22 = 474,390.04 : x
  2. Step 2: Convert to fraction form
    876,798.04/1,209,981.22 = 474,390.04/x
  3. Step 3: Cross multiply
    876,798.04x = 1,209,981.22 × 474,390.04
  4. Step 4: Simplify right side
    876,798.04x = 574,003,039,355.05
  5. Step 5: Solve for x
    x = 574,003,039,355.05/876,798.04
  6. Step 6: Final answer
    x = 654,658.21

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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.