Home / 750,859.35-1,036,211.76-411,327.60

Finding the Fourth Proportional to 750,859.35, 1,036,211.76 and 411,327.60

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Solution

The fourth proportional to 750,859.35, 1,036,211.76 and 411,327.60 is: 567,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,859.35 : 1,036,211.76 = 411,327.60 : x
  2. Step 2: Convert to fraction form
    750,859.35/1,036,211.76 = 411,327.60/x
  3. Step 3: Cross multiply
    750,859.35x = 1,036,211.76 × 411,327.60
  4. Step 4: Simplify right side
    750,859.35x = 426,222,496,332.58
  5. Step 5: Solve for x
    x = 426,222,496,332.58/750,859.35
  6. Step 6: Final answer
    x = 567,646.25

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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.