Home / 788,617.20-1,182,925.80-697,378.80

Finding the Fourth Proportional to 788,617.20, 1,182,925.80 and 697,378.80

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Solution

The fourth proportional to 788,617.20, 1,182,925.80 and 697,378.80 is: 1,046,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,617.20 : 1,182,925.80 = 697,378.80 : x
  2. Step 2: Convert to fraction form
    788,617.20/1,182,925.80 = 697,378.80/x
  3. Step 3: Cross multiply
    788,617.20x = 1,182,925.80 × 697,378.80
  4. Step 4: Simplify right side
    788,617.20x = 824,947,374,893.04
  5. Step 5: Solve for x
    x = 824,947,374,893.04/788,617.20
  6. Step 6: Final answer
    x = 1,046,068.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.