Home / 716,345.02-1,073,162.95-423,350.58

Finding the Fourth Proportional to 716,345.02, 1,073,162.95 and 423,350.58

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Solution

The fourth proportional to 716,345.02, 1,073,162.95 and 423,350.58 is: 634,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,345.02 : 1,073,162.95 = 423,350.58 : x
  2. Step 2: Convert to fraction form
    716,345.02/1,073,162.95 = 423,350.58/x
  3. Step 3: Cross multiply
    716,345.02x = 1,073,162.95 × 423,350.58
  4. Step 4: Simplify right side
    716,345.02x = 454,324,152,418.86
  5. Step 5: Solve for x
    x = 454,324,152,418.86/716,345.02
  6. Step 6: Final answer
    x = 634,225.33

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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.