Home / 790,070.86-1,185,253.71-316,793.26

Finding the Fourth Proportional to 790,070.86, 1,185,253.71 and 316,793.26

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Solution

The fourth proportional to 790,070.86, 1,185,253.71 and 316,793.26 is: 475,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,070.86 : 1,185,253.71 = 316,793.26 : x
  2. Step 2: Convert to fraction form
    790,070.86/1,185,253.71 = 316,793.26/x
  3. Step 3: Cross multiply
    790,070.86x = 1,185,253.71 × 316,793.26
  4. Step 4: Simplify right side
    790,070.86x = 375,480,386,718.00
  5. Step 5: Solve for x
    x = 375,480,386,718.00/790,070.86
  6. Step 6: Final answer
    x = 475,249.00

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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.