Home / 704,890.16-972,749.39-382,600.32

Finding the Fourth Proportional to 704,890.16, 972,749.39 and 382,600.32

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Solution

The fourth proportional to 704,890.16, 972,749.39 and 382,600.32 is: 527,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,890.16 : 972,749.39 = 382,600.32 : x
  2. Step 2: Convert to fraction form
    704,890.16/972,749.39 = 382,600.32/x
  3. Step 3: Cross multiply
    704,890.16x = 972,749.39 × 382,600.32
  4. Step 4: Simplify right side
    704,890.16x = 372,174,227,893.81
  5. Step 5: Solve for x
    x = 372,174,227,893.81/704,890.16
  6. Step 6: Final answer
    x = 527,988.97

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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.