Home / 784,360.16-1,176,404.87-207,987.50

Finding the Fourth Proportional to 784,360.16, 1,176,404.87 and 207,987.50

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Solution

The fourth proportional to 784,360.16, 1,176,404.87 and 207,987.50 is: 311,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,360.16 : 1,176,404.87 = 207,987.50 : x
  2. Step 2: Convert to fraction form
    784,360.16/1,176,404.87 = 207,987.50/x
  3. Step 3: Cross multiply
    784,360.16x = 1,176,404.87 × 207,987.50
  4. Step 4: Simplify right side
    784,360.16x = 244,677,503,572.90
  5. Step 5: Solve for x
    x = 244,677,503,572.90/784,360.16
  6. Step 6: Final answer
    x = 311,945.35

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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.