Home / 850,340.32-1,173,425.34-528,043.60

Finding the Fourth Proportional to 850,340.32, 1,173,425.34 and 528,043.60

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Solution

The fourth proportional to 850,340.32, 1,173,425.34 and 528,043.60 is: 728,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,340.32 : 1,173,425.34 = 528,043.60 : x
  2. Step 2: Convert to fraction form
    850,340.32/1,173,425.34 = 528,043.60/x
  3. Step 3: Cross multiply
    850,340.32x = 1,173,425.34 × 528,043.60
  4. Step 4: Simplify right side
    850,340.32x = 619,619,740,864.82
  5. Step 5: Solve for x
    x = 619,619,740,864.82/850,340.32
  6. Step 6: Final answer
    x = 728,672.66

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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.