Home / 899,073.49-1,240,745.76-536,707.66

Finding the Fourth Proportional to 899,073.49, 1,240,745.76 and 536,707.66

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Solution

The fourth proportional to 899,073.49, 1,240,745.76 and 536,707.66 is: 740,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,073.49 : 1,240,745.76 = 536,707.66 : x
  2. Step 2: Convert to fraction form
    899,073.49/1,240,745.76 = 536,707.66/x
  3. Step 3: Cross multiply
    899,073.49x = 1,240,745.76 × 536,707.66
  4. Step 4: Simplify right side
    899,073.49x = 665,917,753,504.52
  5. Step 5: Solve for x
    x = 665,917,753,504.52/899,073.49
  6. Step 6: Final answer
    x = 740,671.10

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Double scale
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Similar ratio
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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.