Home / 986,282.60-1,479,423.90-355,114.40

Finding the Fourth Proportional to 986,282.60, 1,479,423.90 and 355,114.40

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Solution

The fourth proportional to 986,282.60, 1,479,423.90 and 355,114.40 is: 532,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,282.60 : 1,479,423.90 = 355,114.40 : x
  2. Step 2: Convert to fraction form
    986,282.60/1,479,423.90 = 355,114.40/x
  3. Step 3: Cross multiply
    986,282.60x = 1,479,423.90 × 355,114.40
  4. Step 4: Simplify right side
    986,282.60x = 525,364,730,594.16
  5. Step 5: Solve for x
    x = 525,364,730,594.16/986,282.60
  6. Step 6: Final answer
    x = 532,671.60

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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.