Home / 558,709.38-771,004.17-304,055.10

Finding the Fourth Proportional to 558,709.38, 771,004.17 and 304,055.10

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Solution

The fourth proportional to 558,709.38, 771,004.17 and 304,055.10 is: 419,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,709.38 : 771,004.17 = 304,055.10 : x
  2. Step 2: Convert to fraction form
    558,709.38/771,004.17 = 304,055.10/x
  3. Step 3: Cross multiply
    558,709.38x = 771,004.17 × 304,055.10
  4. Step 4: Simplify right side
    558,709.38x = 234,427,750,009.77
  5. Step 5: Solve for x
    x = 234,427,750,009.77/558,709.38
  6. Step 6: Final answer
    x = 419,588.00

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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.