Home / 771,217.10-1,064,290.59-444,349.80

Finding the Fourth Proportional to 771,217.10, 1,064,290.59 and 444,349.80

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Solution

The fourth proportional to 771,217.10, 1,064,290.59 and 444,349.80 is: 613,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,217.10 : 1,064,290.59 = 444,349.80 : x
  2. Step 2: Convert to fraction form
    771,217.10/1,064,290.59 = 444,349.80/x
  3. Step 3: Cross multiply
    771,217.10x = 1,064,290.59 × 444,349.80
  4. Step 4: Simplify right side
    771,217.10x = 472,917,310,808.38
  5. Step 5: Solve for x
    x = 472,917,310,808.38/771,217.10
  6. Step 6: Final answer
    x = 613,209.06

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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.