Home / 816,003.57-1,126,070.01-453,420.84

Finding the Fourth Proportional to 816,003.57, 1,126,070.01 and 453,420.84

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Solution

The fourth proportional to 816,003.57, 1,126,070.01 and 453,420.84 is: 625,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,003.57 : 1,126,070.01 = 453,420.84 : x
  2. Step 2: Convert to fraction form
    816,003.57/1,126,070.01 = 453,420.84/x
  3. Step 3: Cross multiply
    816,003.57x = 1,126,070.01 × 453,420.84
  4. Step 4: Simplify right side
    816,003.57x = 510,583,609,833.01
  5. Step 5: Solve for x
    x = 510,583,609,833.01/816,003.57
  6. Step 6: Final answer
    x = 625,712.47

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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.