Home / 386,476.08-533,337.06-216,710.28

Finding the Fourth Proportional to 386,476.08, 533,337.06 and 216,710.28

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Solution

The fourth proportional to 386,476.08, 533,337.06 and 216,710.28 is: 299,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,476.08 : 533,337.06 = 216,710.28 : x
  2. Step 2: Convert to fraction form
    386,476.08/533,337.06 = 216,710.28/x
  3. Step 3: Cross multiply
    386,476.08x = 533,337.06 × 216,710.28
  4. Step 4: Simplify right side
    386,476.08x = 115,579,623,606.98
  5. Step 5: Solve for x
    x = 115,579,623,606.98/386,476.08
  6. Step 6: Final answer
    x = 299,060.23

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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.