Home / 772,455.46-1,159,003.26-417,051.76

Finding the Fourth Proportional to 772,455.46, 1,159,003.26 and 417,051.76

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Solution

The fourth proportional to 772,455.46, 1,159,003.26 and 417,051.76 is: 625,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,455.46 : 1,159,003.26 = 417,051.76 : x
  2. Step 2: Convert to fraction form
    772,455.46/1,159,003.26 = 417,051.76/x
  3. Step 3: Cross multiply
    772,455.46x = 1,159,003.26 × 417,051.76
  4. Step 4: Simplify right side
    772,455.46x = 483,364,349,428.74
  5. Step 5: Solve for x
    x = 483,364,349,428.74/772,455.46
  6. Step 6: Final answer
    x = 625,750.45

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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.