Home / 403,293.83-556,663.02-263,612.72

Finding the Fourth Proportional to 403,293.83, 556,663.02 and 263,612.72

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Solution

The fourth proportional to 403,293.83, 556,663.02 and 263,612.72 is: 363,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,293.83 : 556,663.02 = 263,612.72 : x
  2. Step 2: Convert to fraction form
    403,293.83/556,663.02 = 263,612.72/x
  3. Step 3: Cross multiply
    403,293.83x = 556,663.02 × 263,612.72
  4. Step 4: Simplify right side
    403,293.83x = 146,743,454,217.27
  5. Step 5: Solve for x
    x = 146,743,454,217.27/403,293.83
  6. Step 6: Final answer
    x = 363,862.38

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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.