Home / 832,492.71-1,148,843.55-450,519.52

Finding the Fourth Proportional to 832,492.71, 1,148,843.55 and 450,519.52

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Solution

The fourth proportional to 832,492.71, 1,148,843.55 and 450,519.52 is: 621,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,492.71 : 1,148,843.55 = 450,519.52 : x
  2. Step 2: Convert to fraction form
    832,492.71/1,148,843.55 = 450,519.52/x
  3. Step 3: Cross multiply
    832,492.71x = 1,148,843.55 × 450,519.52
  4. Step 4: Simplify right side
    832,492.71x = 517,576,444,701.10
  5. Step 5: Solve for x
    x = 517,576,444,701.10/832,492.71
  6. Step 6: Final answer
    x = 621,718.89

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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.