Home / 1,235,178.29-1,851,482.88-477,540.11

Finding the Fourth Proportional to 1,235,178.29, 1,851,482.88 and 477,540.11

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Solution

The fourth proportional to 1,235,178.29, 1,851,482.88 and 477,540.11 is: 715,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,178.29 : 1,851,482.88 = 477,540.11 : x
  2. Step 2: Convert to fraction form
    1,235,178.29/1,851,482.88 = 477,540.11/x
  3. Step 3: Cross multiply
    1,235,178.29x = 1,851,482.88 × 477,540.11
  4. Step 4: Simplify right side
    1,235,178.29x = 884,157,338,178.32
  5. Step 5: Solve for x
    x = 884,157,338,178.32/1,235,178.29
  6. Step 6: Final answer
    x = 715,813.54

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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.