Home / 540,105.04-745,360.01-298,403.20

Finding the Fourth Proportional to 540,105.04, 745,360.01 and 298,403.20

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Solution

The fourth proportional to 540,105.04, 745,360.01 and 298,403.20 is: 411,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,105.04 : 745,360.01 = 298,403.20 : x
  2. Step 2: Convert to fraction form
    540,105.04/745,360.01 = 298,403.20/x
  3. Step 3: Cross multiply
    540,105.04x = 745,360.01 × 298,403.20
  4. Step 4: Simplify right side
    540,105.04x = 222,417,812,136.03
  5. Step 5: Solve for x
    x = 222,417,812,136.03/540,105.04
  6. Step 6: Final answer
    x = 411,804.73

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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.