Home / 830,101.83-1,242,340.22-510,456.11

Finding the Fourth Proportional to 830,101.83, 1,242,340.22 and 510,456.11

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Solution

The fourth proportional to 830,101.83, 1,242,340.22 and 510,456.11 is: 763,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,101.83 : 1,242,340.22 = 510,456.11 : x
  2. Step 2: Convert to fraction form
    830,101.83/1,242,340.22 = 510,456.11/x
  3. Step 3: Cross multiply
    830,101.83x = 1,242,340.22 × 510,456.11
  4. Step 4: Simplify right side
    830,101.83x = 634,160,147,233.76
  5. Step 5: Solve for x
    x = 634,160,147,233.76/830,101.83
  6. Step 6: Final answer
    x = 763,954.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.