Home / 811,674.93-1,120,070.55-444,144.12

Finding the Fourth Proportional to 811,674.93, 1,120,070.55 and 444,144.12

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Solution

The fourth proportional to 811,674.93, 1,120,070.55 and 444,144.12 is: 612,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,674.93 : 1,120,070.55 = 444,144.12 : x
  2. Step 2: Convert to fraction form
    811,674.93/1,120,070.55 = 444,144.12/x
  3. Step 3: Cross multiply
    811,674.93x = 1,120,070.55 × 444,144.12
  4. Step 4: Simplify right side
    811,674.93x = 497,472,748,767.67
  5. Step 5: Solve for x
    x = 497,472,748,767.67/811,674.93
  6. Step 6: Final answer
    x = 612,896.53

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Double scale
Find fourth proportional to 811,675.93, 1,120,071.93 and 444,145.12
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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.