Home / 386,482.08-533,345.34-216,716.28

Finding the Fourth Proportional to 386,482.08, 533,345.34 and 216,716.28

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Solution

The fourth proportional to 386,482.08, 533,345.34 and 216,716.28 is: 299,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,482.08 : 533,345.34 = 216,716.28 : x
  2. Step 2: Convert to fraction form
    386,482.08/533,345.34 = 216,716.28/x
  3. Step 3: Cross multiply
    386,482.08x = 533,345.34 × 216,716.28
  4. Step 4: Simplify right side
    386,482.08x = 115,584,618,040.14
  5. Step 5: Solve for x
    x = 115,584,618,040.14/386,482.08
  6. Step 6: Final answer
    x = 299,068.51

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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.