Home / 1,074,160.62-1,482,339.78-615,423.60

Finding the Fourth Proportional to 1,074,160.62, 1,482,339.78 and 615,423.60

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Solution

The fourth proportional to 1,074,160.62, 1,482,339.78 and 615,423.60 is: 849,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,160.62 : 1,482,339.78 = 615,423.60 : x
  2. Step 2: Convert to fraction form
    1,074,160.62/1,482,339.78 = 615,423.60/x
  3. Step 3: Cross multiply
    1,074,160.62x = 1,482,339.78 × 615,423.60
  4. Step 4: Simplify right side
    1,074,160.62x = 912,266,883,830.81
  5. Step 5: Solve for x
    x = 912,266,883,830.81/1,074,160.62
  6. Step 6: Final answer
    x = 849,283.49

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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.