Home / 1,044,342.40-1,566,513.60-256,374.40

Finding the Fourth Proportional to 1,044,342.40, 1,566,513.60 and 256,374.40

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Solution

The fourth proportional to 1,044,342.40, 1,566,513.60 and 256,374.40 is: 384,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,342.40 : 1,566,513.60 = 256,374.40 : x
  2. Step 2: Convert to fraction form
    1,044,342.40/1,566,513.60 = 256,374.40/x
  3. Step 3: Cross multiply
    1,044,342.40x = 1,566,513.60 × 256,374.40
  4. Step 4: Simplify right side
    1,044,342.40x = 401,613,984,291.84
  5. Step 5: Solve for x
    x = 401,613,984,291.84/1,044,342.40
  6. Step 6: Final answer
    x = 384,561.60

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Double scale
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Similar ratio
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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.