Home / 910,966.53-1,257,120.67-503,085.63

Finding the Fourth Proportional to 910,966.53, 1,257,120.67 and 503,085.63

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Solution

The fourth proportional to 910,966.53, 1,257,120.67 and 503,085.63 is: 694,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,966.53 : 1,257,120.67 = 503,085.63 : x
  2. Step 2: Convert to fraction form
    910,966.53/1,257,120.67 = 503,085.63/x
  3. Step 3: Cross multiply
    910,966.53x = 1,257,120.67 × 503,085.63
  4. Step 4: Simplify right side
    910,966.53x = 632,439,344,252.97
  5. Step 5: Solve for x
    x = 632,439,344,252.97/910,966.53
  6. Step 6: Final answer
    x = 694,250.91

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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.