Home / 1,221,713.04-1,685,693.16-705,354.96

Finding the Fourth Proportional to 1,221,713.04, 1,685,693.16 and 705,354.96

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Solution

The fourth proportional to 1,221,713.04, 1,685,693.16 and 705,354.96 is: 973,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,713.04 : 1,685,693.16 = 705,354.96 : x
  2. Step 2: Convert to fraction form
    1,221,713.04/1,685,693.16 = 705,354.96/x
  3. Step 3: Cross multiply
    1,221,713.04x = 1,685,693.16 × 705,354.96
  4. Step 4: Simplify right side
    1,221,713.04x = 1,189,012,031,444.07
  5. Step 5: Solve for x
    x = 1,189,012,031,444.07/1,221,713.04
  6. Step 6: Final answer
    x = 973,233.48

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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.