Home / 884,307.12-1,220,276.62-497,061.01

Finding the Fourth Proportional to 884,307.12, 1,220,276.62 and 497,061.01

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Solution

The fourth proportional to 884,307.12, 1,220,276.62 and 497,061.01 is: 685,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,307.12 : 1,220,276.62 = 497,061.01 : x
  2. Step 2: Convert to fraction form
    884,307.12/1,220,276.62 = 497,061.01/x
  3. Step 3: Cross multiply
    884,307.12x = 1,220,276.62 × 497,061.01
  4. Step 4: Simplify right side
    884,307.12x = 606,551,929,216.59
  5. Step 5: Solve for x
    x = 606,551,929,216.59/884,307.12
  6. Step 6: Final answer
    x = 685,906.42

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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.