Home / 354,931.41-531,858.40-260,224.63

Finding the Fourth Proportional to 354,931.41, 531,858.40 and 260,224.63

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Solution

The fourth proportional to 354,931.41, 531,858.40 and 260,224.63 is: 389,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,931.41 : 531,858.40 = 260,224.63 : x
  2. Step 2: Convert to fraction form
    354,931.41/531,858.40 = 260,224.63/x
  3. Step 3: Cross multiply
    354,931.41x = 531,858.40 × 260,224.63
  4. Step 4: Simplify right side
    354,931.41x = 138,402,655,352.39
  5. Step 5: Solve for x
    x = 138,402,655,352.39/354,931.41
  6. Step 6: Final answer
    x = 389,941.98

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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.