Home / 750,856.40-1,036,195.08-411,302.60

Finding the Fourth Proportional to 750,856.40, 1,036,195.08 and 411,302.60

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Solution

The fourth proportional to 750,856.40, 1,036,195.08 and 411,302.60 is: 567,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,856.40 : 1,036,195.08 = 411,302.60 : x
  2. Step 2: Convert to fraction form
    750,856.40/1,036,195.08 = 411,302.60/x
  3. Step 3: Cross multiply
    750,856.40x = 1,036,195.08 × 411,302.60
  4. Step 4: Simplify right side
    750,856.40x = 426,189,730,511.21
  5. Step 5: Solve for x
    x = 426,189,730,511.21/750,856.40
  6. Step 6: Final answer
    x = 567,604.84

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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.