Home / 785,885.76-1,177,056.27-550,280.25

Finding the Fourth Proportional to 785,885.76, 1,177,056.27 and 550,280.25

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Solution

The fourth proportional to 785,885.76, 1,177,056.27 and 550,280.25 is: 824,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,885.76 : 1,177,056.27 = 550,280.25 : x
  2. Step 2: Convert to fraction form
    785,885.76/1,177,056.27 = 550,280.25/x
  3. Step 3: Cross multiply
    785,885.76x = 1,177,056.27 × 550,280.25
  4. Step 4: Simplify right side
    785,885.76x = 647,710,818,519.67
  5. Step 5: Solve for x
    x = 647,710,818,519.67/785,885.76
  6. Step 6: Final answer
    x = 824,179.35

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Double scale
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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.