Home / 649,296.20-974,235.90-294,127.40

Finding the Fourth Proportional to 649,296.20, 974,235.90 and 294,127.40

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Solution

The fourth proportional to 649,296.20, 974,235.90 and 294,127.40 is: 441,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,296.20 : 974,235.90 = 294,127.40 : x
  2. Step 2: Convert to fraction form
    649,296.20/974,235.90 = 294,127.40/x
  3. Step 3: Cross multiply
    649,296.20x = 974,235.90 × 294,127.40
  4. Step 4: Simplify right side
    649,296.20x = 286,549,472,253.66
  5. Step 5: Solve for x
    x = 286,549,472,253.66/649,296.20
  6. Step 6: Final answer
    x = 441,323.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.