Home / 772,465.48-1,159,018.30-417,061.72

Finding the Fourth Proportional to 772,465.48, 1,159,018.30 and 417,061.72

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Solution

The fourth proportional to 772,465.48, 1,159,018.30 and 417,061.72 is: 625,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,465.48 : 1,159,018.30 = 417,061.72 : x
  2. Step 2: Convert to fraction form
    772,465.48/1,159,018.30 = 417,061.72/x
  3. Step 3: Cross multiply
    772,465.48x = 1,159,018.30 × 417,061.72
  4. Step 4: Simplify right side
    772,465.48x = 483,382,165,709.48
  5. Step 5: Solve for x
    x = 483,382,165,709.48/772,465.48
  6. Step 6: Final answer
    x = 625,765.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.