Home / 910,773.39-1,256,860.22-502,875.21

Finding the Fourth Proportional to 910,773.39, 1,256,860.22 and 502,875.21

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Solution

The fourth proportional to 910,773.39, 1,256,860.22 and 502,875.21 is: 693,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,773.39 : 1,256,860.22 = 502,875.21 : x
  2. Step 2: Convert to fraction form
    910,773.39/1,256,860.22 = 502,875.21/x
  3. Step 3: Cross multiply
    910,773.39x = 1,256,860.22 × 502,875.21
  4. Step 4: Simplify right side
    910,773.39x = 632,043,844,558.77
  5. Step 5: Solve for x
    x = 632,043,844,558.77/910,773.39
  6. Step 6: Final answer
    x = 693,963.89

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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.