Home / 540,114.04-745,372.43-298,412.20

Finding the Fourth Proportional to 540,114.04, 745,372.43 and 298,412.20

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Solution

The fourth proportional to 540,114.04, 745,372.43 and 298,412.20 is: 411,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,114.04 : 745,372.43 = 298,412.20 : x
  2. Step 2: Convert to fraction form
    540,114.04/745,372.43 = 298,412.20/x
  3. Step 3: Cross multiply
    540,114.04x = 745,372.43 × 298,412.20
  4. Step 4: Simplify right side
    540,114.04x = 222,428,225,163.59
  5. Step 5: Solve for x
    x = 222,428,225,163.59/540,114.04
  6. Step 6: Final answer
    x = 411,817.15

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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.