Home / 751,416.95-1,036,995.14-411,899.51

Finding the Fourth Proportional to 751,416.95, 1,036,995.14 and 411,899.51

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Solution

The fourth proportional to 751,416.95, 1,036,995.14 and 411,899.51 is: 568,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,416.95 : 1,036,995.14 = 411,899.51 : x
  2. Step 2: Convert to fraction form
    751,416.95/1,036,995.14 = 411,899.51/x
  3. Step 3: Cross multiply
    751,416.95x = 1,036,995.14 × 411,899.51
  4. Step 4: Simplify right side
    751,416.95x = 427,137,790,038.38
  5. Step 5: Solve for x
    x = 427,137,790,038.38/751,416.95
  6. Step 6: Final answer
    x = 568,443.11

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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.