Home / 459,927.77-634,689.11-253,194.47

Finding the Fourth Proportional to 459,927.77, 634,689.11 and 253,194.47

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Solution

The fourth proportional to 459,927.77, 634,689.11 and 253,194.47 is: 349,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,927.77 : 634,689.11 = 253,194.47 : x
  2. Step 2: Convert to fraction form
    459,927.77/634,689.11 = 253,194.47/x
  3. Step 3: Cross multiply
    459,927.77x = 634,689.11 × 253,194.47
  4. Step 4: Simplify right side
    459,927.77x = 160,699,772,821.22
  5. Step 5: Solve for x
    x = 160,699,772,821.22/459,927.77
  6. Step 6: Final answer
    x = 349,402.20

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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.