Home / 767,507.36-1,059,167.04-423,356.64

Finding the Fourth Proportional to 767,507.36, 1,059,167.04 and 423,356.64

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Solution

The fourth proportional to 767,507.36, 1,059,167.04 and 423,356.64 is: 584,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,507.36 : 1,059,167.04 = 423,356.64 : x
  2. Step 2: Convert to fraction form
    767,507.36/1,059,167.04 = 423,356.64/x
  3. Step 3: Cross multiply
    767,507.36x = 1,059,167.04 × 423,356.64
  4. Step 4: Simplify right side
    767,507.36x = 448,405,399,253.15
  5. Step 5: Solve for x
    x = 448,405,399,253.15/767,507.36
  6. Step 6: Final answer
    x = 584,235.96

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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.