Home / 784,890.60-1,176,126.30-584,269.80

Finding the Fourth Proportional to 784,890.60, 1,176,126.30 and 584,269.80

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Solution

The fourth proportional to 784,890.60, 1,176,126.30 and 584,269.80 is: 875,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,890.60 : 1,176,126.30 = 584,269.80 : x
  2. Step 2: Convert to fraction form
    784,890.60/1,176,126.30 = 584,269.80/x
  3. Step 3: Cross multiply
    784,890.60x = 1,176,126.30 × 584,269.80
  4. Step 4: Simplify right side
    784,890.60x = 687,175,078,075.74
  5. Step 5: Solve for x
    x = 687,175,078,075.74/784,890.60
  6. Step 6: Final answer
    x = 875,504.28

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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.