Home / 1,086,205.20-1,627,363.80-524,000.40

Finding the Fourth Proportional to 1,086,205.20, 1,627,363.80 and 524,000.40

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Solution

The fourth proportional to 1,086,205.20, 1,627,363.80 and 524,000.40 is: 785,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,205.20 : 1,627,363.80 = 524,000.40 : x
  2. Step 2: Convert to fraction form
    1,086,205.20/1,627,363.80 = 524,000.40/x
  3. Step 3: Cross multiply
    1,086,205.20x = 1,627,363.80 × 524,000.40
  4. Step 4: Simplify right side
    1,086,205.20x = 852,739,282,145.52
  5. Step 5: Solve for x
    x = 852,739,282,145.52/1,086,205.20
  6. Step 6: Final answer
    x = 785,062.79

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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.