Home / 731,508.45-1,009,483.13-409,223.93

Finding the Fourth Proportional to 731,508.45, 1,009,483.13 and 409,223.93

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Solution

The fourth proportional to 731,508.45, 1,009,483.13 and 409,223.93 is: 564,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,508.45 : 1,009,483.13 = 409,223.93 : x
  2. Step 2: Convert to fraction form
    731,508.45/1,009,483.13 = 409,223.93/x
  3. Step 3: Cross multiply
    731,508.45x = 1,009,483.13 × 409,223.93
  4. Step 4: Simplify right side
    731,508.45x = 413,104,648,679.89
  5. Step 5: Solve for x
    x = 413,104,648,679.89/731,508.45
  6. Step 6: Final answer
    x = 564,729.84

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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.