Home / 750,861.85-1,036,215.21-411,330.10

Finding the Fourth Proportional to 750,861.85, 1,036,215.21 and 411,330.10

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Solution

The fourth proportional to 750,861.85, 1,036,215.21 and 411,330.10 is: 567,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,861.85 : 1,036,215.21 = 411,330.10 : x
  2. Step 2: Convert to fraction form
    750,861.85/1,036,215.21 = 411,330.10/x
  3. Step 3: Cross multiply
    750,861.85x = 1,036,215.21 × 411,330.10
  4. Step 4: Simplify right side
    750,861.85x = 426,226,505,950.82
  5. Step 5: Solve for x
    x = 426,226,505,950.82/750,861.85
  6. Step 6: Final answer
    x = 567,649.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.