Home / 931,473.60-1,397,210.40-266,625.60

Finding the Fourth Proportional to 931,473.60, 1,397,210.40 and 266,625.60

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Solution

The fourth proportional to 931,473.60, 1,397,210.40 and 266,625.60 is: 399,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,473.60 : 1,397,210.40 = 266,625.60 : x
  2. Step 2: Convert to fraction form
    931,473.60/1,397,210.40 = 266,625.60/x
  3. Step 3: Cross multiply
    931,473.60x = 1,397,210.40 × 266,625.60
  4. Step 4: Simplify right side
    931,473.60x = 372,532,061,226.24
  5. Step 5: Solve for x
    x = 372,532,061,226.24/931,473.60
  6. Step 6: Final answer
    x = 399,938.40

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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.