Home / 638,259.01-957,530.45-278,488.17

Finding the Fourth Proportional to 638,259.01, 957,530.45 and 278,488.17

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Solution

The fourth proportional to 638,259.01, 957,530.45 and 278,488.17 is: 417,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,259.01 : 957,530.45 = 278,488.17 : x
  2. Step 2: Convert to fraction form
    638,259.01/957,530.45 = 278,488.17/x
  3. Step 3: Cross multiply
    638,259.01x = 957,530.45 × 278,488.17
  4. Step 4: Simplify right side
    638,259.01x = 266,660,901,347.34
  5. Step 5: Solve for x
    x = 266,660,901,347.34/638,259.01
  6. Step 6: Final answer
    x = 417,794.18

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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.