Home / 743,150.70-1,023,217.11-655,845.66

Finding the Fourth Proportional to 743,150.70, 1,023,217.11 and 655,845.66

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Solution

The fourth proportional to 743,150.70, 1,023,217.11 and 655,845.66 is: 903,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,150.70 : 1,023,217.11 = 655,845.66 : x
  2. Step 2: Convert to fraction form
    743,150.70/1,023,217.11 = 655,845.66/x
  3. Step 3: Cross multiply
    743,150.70x = 1,023,217.11 × 655,845.66
  4. Step 4: Simplify right side
    743,150.70x = 671,072,500,831.24
  5. Step 5: Solve for x
    x = 671,072,500,831.24/743,150.70
  6. Step 6: Final answer
    x = 903,009.98

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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.