Home / 883,287.40-1,324,931.10-409,815.40

Finding the Fourth Proportional to 883,287.40, 1,324,931.10 and 409,815.40

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Solution

The fourth proportional to 883,287.40, 1,324,931.10 and 409,815.40 is: 614,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,287.40 : 1,324,931.10 = 409,815.40 : x
  2. Step 2: Convert to fraction form
    883,287.40/1,324,931.10 = 409,815.40/x
  3. Step 3: Cross multiply
    883,287.40x = 1,324,931.10 × 409,815.40
  4. Step 4: Simplify right side
    883,287.40x = 542,977,168,718.94
  5. Step 5: Solve for x
    x = 542,977,168,718.94/883,287.40
  6. Step 6: Final answer
    x = 614,723.10

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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.