Home / 1,240,805.59-1,861,337.85-342,247.48

Finding the Fourth Proportional to 1,240,805.59, 1,861,337.85 and 342,247.48

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Solution

The fourth proportional to 1,240,805.59, 1,861,337.85 and 342,247.48 is: 513,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,805.59 : 1,861,337.85 = 342,247.48 : x
  2. Step 2: Convert to fraction form
    1,240,805.59/1,861,337.85 = 342,247.48/x
  3. Step 3: Cross multiply
    1,240,805.59x = 1,861,337.85 × 342,247.48
  4. Step 4: Simplify right side
    1,240,805.59x = 637,038,188,591.12
  5. Step 5: Solve for x
    x = 637,038,188,591.12/1,240,805.59
  6. Step 6: Final answer
    x = 513,406.93

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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.