Home / 884,876.34-1,221,090.48-497,724.06

Finding the Fourth Proportional to 884,876.34, 1,221,090.48 and 497,724.06

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Solution

The fourth proportional to 884,876.34, 1,221,090.48 and 497,724.06 is: 686,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,876.34 : 1,221,090.48 = 497,724.06 : x
  2. Step 2: Convert to fraction form
    884,876.34/1,221,090.48 = 497,724.06/x
  3. Step 3: Cross multiply
    884,876.34x = 1,221,090.48 × 497,724.06
  4. Step 4: Simplify right side
    884,876.34x = 607,766,111,332.95
  5. Step 5: Solve for x
    x = 607,766,111,332.95/884,876.34
  6. Step 6: Final answer
    x = 686,837.34

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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.