Home / 914,799.51-1,262,404.48-506,897.78

Finding the Fourth Proportional to 914,799.51, 1,262,404.48 and 506,897.78

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Solution

The fourth proportional to 914,799.51, 1,262,404.48 and 506,897.78 is: 699,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,799.51 : 1,262,404.48 = 506,897.78 : x
  2. Step 2: Convert to fraction form
    914,799.51/1,262,404.48 = 506,897.78/x
  3. Step 3: Cross multiply
    914,799.51x = 1,262,404.48 × 506,897.78
  4. Step 4: Simplify right side
    914,799.51x = 639,910,028,374.06
  5. Step 5: Solve for x
    x = 639,910,028,374.06/914,799.51
  6. Step 6: Final answer
    x = 699,508.49

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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.