Home / 1,172,779.08-1,618,422.75-656,537.22

Finding the Fourth Proportional to 1,172,779.08, 1,618,422.75 and 656,537.22

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Solution

The fourth proportional to 1,172,779.08, 1,618,422.75 and 656,537.22 is: 906,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,779.08 : 1,618,422.75 = 656,537.22 : x
  2. Step 2: Convert to fraction form
    1,172,779.08/1,618,422.75 = 656,537.22/x
  3. Step 3: Cross multiply
    1,172,779.08x = 1,618,422.75 × 656,537.22
  4. Step 4: Simplify right side
    1,172,779.08x = 1,062,554,773,069.76
  5. Step 5: Solve for x
    x = 1,062,554,773,069.76/1,172,779.08
  6. Step 6: Final answer
    x = 906,014.43

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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.