Home / 571,415.93-857,131.18-393,875.27

Finding the Fourth Proportional to 571,415.93, 857,131.18 and 393,875.27

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Solution

The fourth proportional to 571,415.93, 857,131.18 and 393,875.27 is: 590,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,415.93 : 857,131.18 = 393,875.27 : x
  2. Step 2: Convert to fraction form
    571,415.93/857,131.18 = 393,875.27/x
  3. Step 3: Cross multiply
    571,415.93x = 857,131.18 × 393,875.27
  4. Step 4: Simplify right side
    571,415.93x = 337,602,769,677.58
  5. Step 5: Solve for x
    x = 337,602,769,677.58/571,415.93
  6. Step 6: Final answer
    x = 590,817.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.