Home / 771,150.40-1,064,248.32-568,129.60

Finding the Fourth Proportional to 771,150.40, 1,064,248.32 and 568,129.60

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Solution

The fourth proportional to 771,150.40, 1,064,248.32 and 568,129.60 is: 784,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,150.40 : 1,064,248.32 = 568,129.60 : x
  2. Step 2: Convert to fraction form
    771,150.40/1,064,248.32 = 568,129.60/x
  3. Step 3: Cross multiply
    771,150.40x = 1,064,248.32 × 568,129.60
  4. Step 4: Simplify right side
    771,150.40x = 604,630,972,342.27
  5. Step 5: Solve for x
    x = 604,630,972,342.27/771,150.40
  6. Step 6: Final answer
    x = 784,063.62

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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.