Home / 906,965.19-1,251,620.85-499,075.82

Finding the Fourth Proportional to 906,965.19, 1,251,620.85 and 499,075.82

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Solution

The fourth proportional to 906,965.19, 1,251,620.85 and 499,075.82 is: 688,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,965.19 : 1,251,620.85 = 499,075.82 : x
  2. Step 2: Convert to fraction form
    906,965.19/1,251,620.85 = 499,075.82/x
  3. Step 3: Cross multiply
    906,965.19x = 1,251,620.85 × 499,075.82
  4. Step 4: Simplify right side
    906,965.19x = 624,653,695,784.74
  5. Step 5: Solve for x
    x = 624,653,695,784.74/906,965.19
  6. Step 6: Final answer
    x = 688,729.52

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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.