Home / 884,877.84-1,221,092.55-497,725.56

Finding the Fourth Proportional to 884,877.84, 1,221,092.55 and 497,725.56

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Solution

The fourth proportional to 884,877.84, 1,221,092.55 and 497,725.56 is: 686,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,877.84 : 1,221,092.55 = 497,725.56 : x
  2. Step 2: Convert to fraction form
    884,877.84/1,221,092.55 = 497,725.56/x
  3. Step 3: Cross multiply
    884,877.84x = 1,221,092.55 × 497,725.56
  4. Step 4: Simplify right side
    884,877.84x = 607,768,973,260.58
  5. Step 5: Solve for x
    x = 607,768,973,260.58/884,877.84
  6. Step 6: Final answer
    x = 686,839.41

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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.