Home / 427,826.48-590,215.21-257,966.24

Finding the Fourth Proportional to 427,826.48, 590,215.21 and 257,966.24

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Solution

The fourth proportional to 427,826.48, 590,215.21 and 257,966.24 is: 355,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,826.48 : 590,215.21 = 257,966.24 : x
  2. Step 2: Convert to fraction form
    427,826.48/590,215.21 = 257,966.24/x
  3. Step 3: Cross multiply
    427,826.48x = 590,215.21 × 257,966.24
  4. Step 4: Simplify right side
    427,826.48x = 152,255,598,514.51
  5. Step 5: Solve for x
    x = 152,255,598,514.51/427,826.48
  6. Step 6: Final answer
    x = 355,881.66

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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.