Home / 485,192.11-724,376.57-370,740.94

Finding the Fourth Proportional to 485,192.11, 724,376.57 and 370,740.94

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Solution

The fourth proportional to 485,192.11, 724,376.57 and 370,740.94 is: 553,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,192.11 : 724,376.57 = 370,740.94 : x
  2. Step 2: Convert to fraction form
    485,192.11/724,376.57 = 370,740.94/x
  3. Step 3: Cross multiply
    485,192.11x = 724,376.57 × 370,740.94
  4. Step 4: Simplify right side
    485,192.11x = 268,556,050,475.78
  5. Step 5: Solve for x
    x = 268,556,050,475.78/485,192.11
  6. Step 6: Final answer
    x = 553,504.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.