Home / 910,660.95-1,256,713.97-502,763.58

Finding the Fourth Proportional to 910,660.95, 1,256,713.97 and 502,763.58

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Solution

The fourth proportional to 910,660.95, 1,256,713.97 and 502,763.58 is: 693,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,660.95 : 1,256,713.97 = 502,763.58 : x
  2. Step 2: Convert to fraction form
    910,660.95/1,256,713.97 = 502,763.58/x
  3. Step 3: Cross multiply
    910,660.95x = 1,256,713.97 × 502,763.58
  4. Step 4: Simplify right side
    910,660.95x = 631,830,012,079.40
  5. Step 5: Solve for x
    x = 631,830,012,079.40/910,660.95
  6. Step 6: Final answer
    x = 693,814.76

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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.