Home / 704,947.96-972,821.54-382,651.16

Finding the Fourth Proportional to 704,947.96, 972,821.54 and 382,651.16

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Solution

The fourth proportional to 704,947.96, 972,821.54 and 382,651.16 is: 528,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,947.96 : 972,821.54 = 382,651.16 : x
  2. Step 2: Convert to fraction form
    704,947.96/972,821.54 = 382,651.16/x
  3. Step 3: Cross multiply
    704,947.96x = 972,821.54 × 382,651.16
  4. Step 4: Simplify right side
    704,947.96x = 372,251,286,846.51
  5. Step 5: Solve for x
    x = 372,251,286,846.51/704,947.96
  6. Step 6: Final answer
    x = 528,054.99

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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.