Home / 891,780.52-1,230,653.80-529,502.16

Finding the Fourth Proportional to 891,780.52, 1,230,653.80 and 529,502.16

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Solution

The fourth proportional to 891,780.52, 1,230,653.80 and 529,502.16 is: 730,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,780.52 : 1,230,653.80 = 529,502.16 : x
  2. Step 2: Convert to fraction form
    891,780.52/1,230,653.80 = 529,502.16/x
  3. Step 3: Cross multiply
    891,780.52x = 1,230,653.80 × 529,502.16
  4. Step 4: Simplify right side
    891,780.52x = 651,633,845,312.21
  5. Step 5: Solve for x
    x = 651,633,845,312.21/891,780.52
  6. Step 6: Final answer
    x = 730,711.01

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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.