Home / 750,851.35-1,036,200.72-411,319.60

Finding the Fourth Proportional to 750,851.35, 1,036,200.72 and 411,319.60

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Solution

The fourth proportional to 750,851.35, 1,036,200.72 and 411,319.60 is: 567,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,851.35 : 1,036,200.72 = 411,319.60 : x
  2. Step 2: Convert to fraction form
    750,851.35/1,036,200.72 = 411,319.60/x
  3. Step 3: Cross multiply
    750,851.35x = 1,036,200.72 × 411,319.60
  4. Step 4: Simplify right side
    750,851.35x = 426,209,665,670.11
  5. Step 5: Solve for x
    x = 426,209,665,670.11/750,851.35
  6. Step 6: Final answer
    x = 567,635.21

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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.