Home / 1,221,526.72-1,832,290.08-661,654.72

Finding the Fourth Proportional to 1,221,526.72, 1,832,290.08 and 661,654.72

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Solution

The fourth proportional to 1,221,526.72, 1,832,290.08 and 661,654.72 is: 992,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,526.72 : 1,832,290.08 = 661,654.72 : x
  2. Step 2: Convert to fraction form
    1,221,526.72/1,832,290.08 = 661,654.72/x
  3. Step 3: Cross multiply
    1,221,526.72x = 1,832,290.08 × 661,654.72
  4. Step 4: Simplify right side
    1,221,526.72x = 1,212,343,379,841.18
  5. Step 5: Solve for x
    x = 1,212,343,379,841.18/1,221,526.72
  6. Step 6: Final answer
    x = 992,482.08

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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.