Home / 765,799.18-1,147,663.58-552,931.18

Finding the Fourth Proportional to 765,799.18, 1,147,663.58 and 552,931.18

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Solution

The fourth proportional to 765,799.18, 1,147,663.58 and 552,931.18 is: 828,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,799.18 : 1,147,663.58 = 552,931.18 : x
  2. Step 2: Convert to fraction form
    765,799.18/1,147,663.58 = 552,931.18/x
  3. Step 3: Cross multiply
    765,799.18x = 1,147,663.58 × 552,931.18
  4. Step 4: Simplify right side
    765,799.18x = 634,578,977,532.43
  5. Step 5: Solve for x
    x = 634,578,977,532.43/765,799.18
  6. Step 6: Final answer
    x = 828,649.33

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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.