Home / 934,874.64-1,290,391.68-553,034.16

Finding the Fourth Proportional to 934,874.64, 1,290,391.68 and 553,034.16

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Solution

The fourth proportional to 934,874.64, 1,290,391.68 and 553,034.16 is: 763,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,874.64 : 1,290,391.68 = 553,034.16 : x
  2. Step 2: Convert to fraction form
    934,874.64/1,290,391.68 = 553,034.16/x
  3. Step 3: Cross multiply
    934,874.64x = 1,290,391.68 × 553,034.16
  4. Step 4: Simplify right side
    934,874.64x = 713,630,678,819.79
  5. Step 5: Solve for x
    x = 713,630,678,819.79/934,874.64
  6. Step 6: Final answer
    x = 763,343.71

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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.