Home / 653,319.64-901,723.62-470,047.96

Finding the Fourth Proportional to 653,319.64, 901,723.62 and 470,047.96

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Solution

The fourth proportional to 653,319.64, 901,723.62 and 470,047.96 is: 648,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,319.64 : 901,723.62 = 470,047.96 : x
  2. Step 2: Convert to fraction form
    653,319.64/901,723.62 = 470,047.96/x
  3. Step 3: Cross multiply
    653,319.64x = 901,723.62 × 470,047.96
  4. Step 4: Simplify right side
    653,319.64x = 423,853,348,064.82
  5. Step 5: Solve for x
    x = 423,853,348,064.82/653,319.64
  6. Step 6: Final answer
    x = 648,768.72

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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.