Home / 817,054.89-1,127,535.72-459,358.89

Finding the Fourth Proportional to 817,054.89, 1,127,535.72 and 459,358.89

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Solution

The fourth proportional to 817,054.89, 1,127,535.72 and 459,358.89 is: 633,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,054.89 : 1,127,535.72 = 459,358.89 : x
  2. Step 2: Convert to fraction form
    817,054.89/1,127,535.72 = 459,358.89/x
  3. Step 3: Cross multiply
    817,054.89x = 1,127,535.72 × 459,358.89
  4. Step 4: Simplify right side
    817,054.89x = 517,943,556,774.55
  5. Step 5: Solve for x
    x = 517,943,556,774.55/817,054.89
  6. Step 6: Final answer
    x = 633,915.25

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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.