Home / 417,363.24-575,504.82-310,132.20

Finding the Fourth Proportional to 417,363.24, 575,504.82 and 310,132.20

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Solution

The fourth proportional to 417,363.24, 575,504.82 and 310,132.20 is: 427,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,363.24 : 575,504.82 = 310,132.20 : x
  2. Step 2: Convert to fraction form
    417,363.24/575,504.82 = 310,132.20/x
  3. Step 3: Cross multiply
    417,363.24x = 575,504.82 × 310,132.20
  4. Step 4: Simplify right side
    417,363.24x = 178,482,575,937.20
  5. Step 5: Solve for x
    x = 178,482,575,937.20/417,363.24
  6. Step 6: Final answer
    x = 427,643.26

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1.5x scale

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.