Home / 761,966.67-1,051,515.48-422,434.92

Finding the Fourth Proportional to 761,966.67, 1,051,515.48 and 422,434.92

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Solution

The fourth proportional to 761,966.67, 1,051,515.48 and 422,434.92 is: 582,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,966.67 : 1,051,515.48 = 422,434.92 : x
  2. Step 2: Convert to fraction form
    761,966.67/1,051,515.48 = 422,434.92/x
  3. Step 3: Cross multiply
    761,966.67x = 1,051,515.48 × 422,434.92
  4. Step 4: Simplify right side
    761,966.67x = 444,196,857,672.56
  5. Step 5: Solve for x
    x = 444,196,857,672.56/761,966.67
  6. Step 6: Final answer
    x = 582,961.01

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1.5x scale

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.