Home / 885,698.20-1,328,547.30-614,072.80

Finding the Fourth Proportional to 885,698.20, 1,328,547.30 and 614,072.80

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Solution

The fourth proportional to 885,698.20, 1,328,547.30 and 614,072.80 is: 921,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,698.20 : 1,328,547.30 = 614,072.80 : x
  2. Step 2: Convert to fraction form
    885,698.20/1,328,547.30 = 614,072.80/x
  3. Step 3: Cross multiply
    885,698.20x = 1,328,547.30 × 614,072.80
  4. Step 4: Simplify right side
    885,698.20x = 815,824,760,443.44
  5. Step 5: Solve for x
    x = 815,824,760,443.44/885,698.20
  6. Step 6: Final answer
    x = 921,109.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.