Home / 816,592.90-1,126,868.75-449,066.95

Finding the Fourth Proportional to 816,592.90, 1,126,868.75 and 449,066.95

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Solution

The fourth proportional to 816,592.90, 1,126,868.75 and 449,066.95 is: 619,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,592.90 : 1,126,868.75 = 449,066.95 : x
  2. Step 2: Convert to fraction form
    816,592.90/1,126,868.75 = 449,066.95/x
  3. Step 3: Cross multiply
    816,592.90x = 1,126,868.75 × 449,066.95
  4. Step 4: Simplify right side
    816,592.90x = 506,039,512,612.81
  5. Step 5: Solve for x
    x = 506,039,512,612.81/816,592.90
  6. Step 6: Final answer
    x = 619,696.19

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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.