Home / 1,118,680.40-1,543,771.04-609,382.80

Finding the Fourth Proportional to 1,118,680.40, 1,543,771.04 and 609,382.80

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Solution

The fourth proportional to 1,118,680.40, 1,543,771.04 and 609,382.80 is: 840,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,680.40 : 1,543,771.04 = 609,382.80 : x
  2. Step 2: Convert to fraction form
    1,118,680.40/1,543,771.04 = 609,382.80/x
  3. Step 3: Cross multiply
    1,118,680.40x = 1,543,771.04 × 609,382.80
  4. Step 4: Simplify right side
    1,118,680.40x = 940,747,518,914.11
  5. Step 5: Solve for x
    x = 940,747,518,914.11/1,118,680.40
  6. Step 6: Final answer
    x = 840,943.95

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Double scale
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1.5x scale

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.