Home / 751,210.38-1,036,696.86-411,678.63

Finding the Fourth Proportional to 751,210.38, 1,036,696.86 and 411,678.63

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Solution

The fourth proportional to 751,210.38, 1,036,696.86 and 411,678.63 is: 568,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,210.38 : 1,036,696.86 = 411,678.63 : x
  2. Step 2: Convert to fraction form
    751,210.38/1,036,696.86 = 411,678.63/x
  3. Step 3: Cross multiply
    751,210.38x = 1,036,696.86 × 411,678.63
  4. Step 4: Simplify right side
    751,210.38x = 426,785,943,050.10
  5. Step 5: Solve for x
    x = 426,785,943,050.10/751,210.38
  6. Step 6: Final answer
    x = 568,131.05

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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.