Home / 884,426.88-1,220,552.36-497,364.12

Finding the Fourth Proportional to 884,426.88, 1,220,552.36 and 497,364.12

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Solution

The fourth proportional to 884,426.88, 1,220,552.36 and 497,364.12 is: 686,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,426.88 : 1,220,552.36 = 497,364.12 : x
  2. Step 2: Convert to fraction form
    884,426.88/1,220,552.36 = 497,364.12/x
  3. Step 3: Cross multiply
    884,426.88x = 1,220,552.36 × 497,364.12
  4. Step 4: Simplify right side
    884,426.88x = 607,058,950,445.32
  5. Step 5: Solve for x
    x = 607,058,950,445.32/884,426.88
  6. Step 6: Final answer
    x = 686,386.82

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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.