Home / 833,780.88-1,244,569.50-716,207.76

Finding the Fourth Proportional to 833,780.88, 1,244,569.50 and 716,207.76

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Solution

The fourth proportional to 833,780.88, 1,244,569.50 and 716,207.76 is: 1,069,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,780.88 : 1,244,569.50 = 716,207.76 : x
  2. Step 2: Convert to fraction form
    833,780.88/1,244,569.50 = 716,207.76/x
  3. Step 3: Cross multiply
    833,780.88x = 1,244,569.50 × 716,207.76
  4. Step 4: Simplify right side
    833,780.88x = 891,370,333,759.32
  5. Step 5: Solve for x
    x = 891,370,333,759.32/833,780.88
  6. Step 6: Final answer
    x = 1,069,070.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.