Home / 899,403.76-1,240,778.52-536,616.69

Finding the Fourth Proportional to 899,403.76, 1,240,778.52 and 536,616.69

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Solution

The fourth proportional to 899,403.76, 1,240,778.52 and 536,616.69 is: 740,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,403.76 : 1,240,778.52 = 536,616.69 : x
  2. Step 2: Convert to fraction form
    899,403.76/1,240,778.52 = 536,616.69/x
  3. Step 3: Cross multiply
    899,403.76x = 1,240,778.52 × 536,616.69
  4. Step 4: Simplify right side
    899,403.76x = 665,822,462,425.50
  5. Step 5: Solve for x
    x = 665,822,462,425.50/899,403.76
  6. Step 6: Final answer
    x = 740,293.17

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Double scale
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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.