Home / 889,578.25-1,227,595.40-497,114.58

Finding the Fourth Proportional to 889,578.25, 1,227,595.40 and 497,114.58

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Solution

The fourth proportional to 889,578.25, 1,227,595.40 and 497,114.58 is: 686,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,578.25 : 1,227,595.40 = 497,114.58 : x
  2. Step 2: Convert to fraction form
    889,578.25/1,227,595.40 = 497,114.58/x
  3. Step 3: Cross multiply
    889,578.25x = 1,227,595.40 × 497,114.58
  4. Step 4: Simplify right side
    889,578.25x = 610,255,571,680.93
  5. Step 5: Solve for x
    x = 610,255,571,680.93/889,578.25
  6. Step 6: Final answer
    x = 686,005.50

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Double scale
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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.