Home / 838,307.25-1,156,864.14-456,336.90

Finding the Fourth Proportional to 838,307.25, 1,156,864.14 and 456,336.90

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Solution

The fourth proportional to 838,307.25, 1,156,864.14 and 456,336.90 is: 629,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,307.25 : 1,156,864.14 = 456,336.90 : x
  2. Step 2: Convert to fraction form
    838,307.25/1,156,864.14 = 456,336.90/x
  3. Step 3: Cross multiply
    838,307.25x = 1,156,864.14 × 456,336.90
  4. Step 4: Simplify right side
    838,307.25x = 527,919,795,368.77
  5. Step 5: Solve for x
    x = 527,919,795,368.77/838,307.25
  6. Step 6: Final answer
    x = 629,745.00

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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.