Home / 908,828.17-1,254,109.14-526,879.56

Finding the Fourth Proportional to 908,828.17, 1,254,109.14 and 526,879.56

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Solution

The fourth proportional to 908,828.17, 1,254,109.14 and 526,879.56 is: 727,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,828.17 : 1,254,109.14 = 526,879.56 : x
  2. Step 2: Convert to fraction form
    908,828.17/1,254,109.14 = 526,879.56/x
  3. Step 3: Cross multiply
    908,828.17x = 1,254,109.14 × 526,879.56
  4. Step 4: Simplify right side
    908,828.17x = 660,764,471,875.18
  5. Step 5: Solve for x
    x = 660,764,471,875.18/908,828.17
  6. Step 6: Final answer
    x = 727,051.05

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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.