Home / 935,412.98-1,290,838.48-591,434.06

Finding the Fourth Proportional to 935,412.98, 1,290,838.48 and 591,434.06

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Solution

The fourth proportional to 935,412.98, 1,290,838.48 and 591,434.06 is: 816,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,412.98 : 1,290,838.48 = 591,434.06 : x
  2. Step 2: Convert to fraction form
    935,412.98/1,290,838.48 = 591,434.06/x
  3. Step 3: Cross multiply
    935,412.98x = 1,290,838.48 × 591,434.06
  4. Step 4: Simplify right side
    935,412.98x = 763,445,835,097.85
  5. Step 5: Solve for x
    x = 763,445,835,097.85/935,412.98
  6. Step 6: Final answer
    x = 816,159.12

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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.