Home / 785,872.53-1,084,031.51-479,809.17

Finding the Fourth Proportional to 785,872.53, 1,084,031.51 and 479,809.17

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Solution

The fourth proportional to 785,872.53, 1,084,031.51 and 479,809.17 is: 661,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,872.53 : 1,084,031.51 = 479,809.17 : x
  2. Step 2: Convert to fraction form
    785,872.53/1,084,031.51 = 479,809.17/x
  3. Step 3: Cross multiply
    785,872.53x = 1,084,031.51 × 479,809.17
  4. Step 4: Simplify right side
    785,872.53x = 520,128,256,667.90
  5. Step 5: Solve for x
    x = 520,128,256,667.90/785,872.53
  6. Step 6: Final answer
    x = 661,848.12

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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.