Home / 1,281,178.16-1,768,026.48-708,218

Finding the Fourth Proportional to 1,281,178.16, 1,768,026.48 and 708,218

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Solution

The fourth proportional to 1,281,178.16, 1,768,026.48 and 708,218 is: 977,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,178.16 : 1,768,026.48 = 708,218 : x
  2. Step 2: Convert to fraction form
    1,281,178.16/1,768,026.48 = 708,218/x
  3. Step 3: Cross multiply
    1,281,178.16x = 1,768,026.48 × 708,218
  4. Step 4: Simplify right side
    1,281,178.16x = 1,252,148,177,612.64
  5. Step 5: Solve for x
    x = 1,252,148,177,612.64/1,281,178.16
  6. Step 6: Final answer
    x = 977,341.18

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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.