Home / 637,742.10-880,146.30-476,317.02

Finding the Fourth Proportional to 637,742.10, 880,146.30 and 476,317.02

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Solution

The fourth proportional to 637,742.10, 880,146.30 and 476,317.02 is: 657,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,742.10 : 880,146.30 = 476,317.02 : x
  2. Step 2: Convert to fraction form
    637,742.10/880,146.30 = 476,317.02/x
  3. Step 3: Cross multiply
    637,742.10x = 880,146.30 × 476,317.02
  4. Step 4: Simplify right side
    637,742.10x = 419,228,662,780.03
  5. Step 5: Solve for x
    x = 419,228,662,780.03/637,742.10
  6. Step 6: Final answer
    x = 657,363.95

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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.