Home / 745,732.77-1,116,514.62-402,948.06

Finding the Fourth Proportional to 745,732.77, 1,116,514.62 and 402,948.06

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Solution

The fourth proportional to 745,732.77, 1,116,514.62 and 402,948.06 is: 603,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,732.77 : 1,116,514.62 = 402,948.06 : x
  2. Step 2: Convert to fraction form
    745,732.77/1,116,514.62 = 402,948.06/x
  3. Step 3: Cross multiply
    745,732.77x = 1,116,514.62 × 402,948.06
  4. Step 4: Simplify right side
    745,732.77x = 449,897,400,090.64
  5. Step 5: Solve for x
    x = 449,897,400,090.64/745,732.77
  6. Step 6: Final answer
    x = 603,295.74

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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.