Home / 1,078,613.55-1,488,443.16-595,172.40

Finding the Fourth Proportional to 1,078,613.55, 1,488,443.16 and 595,172.40

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Solution

The fourth proportional to 1,078,613.55, 1,488,443.16 and 595,172.40 is: 821,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,613.55 : 1,488,443.16 = 595,172.40 : x
  2. Step 2: Convert to fraction form
    1,078,613.55/1,488,443.16 = 595,172.40/x
  3. Step 3: Cross multiply
    1,078,613.55x = 1,488,443.16 × 595,172.40
  4. Step 4: Simplify right side
    1,078,613.55x = 885,880,287,800.78
  5. Step 5: Solve for x
    x = 885,880,287,800.78/1,078,613.55
  6. Step 6: Final answer
    x = 821,313.89

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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.