Home / 919,548.64-1,268,787-537,501.52

Finding the Fourth Proportional to 919,548.64, 1,268,787 and 537,501.52

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Solution

The fourth proportional to 919,548.64, 1,268,787 and 537,501.52 is: 741,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,548.64 : 1,268,787 = 537,501.52 : x
  2. Step 2: Convert to fraction form
    919,548.64/1,268,787 = 537,501.52/x
  3. Step 3: Cross multiply
    919,548.64x = 1,268,787 × 537,501.52
  4. Step 4: Simplify right side
    919,548.64x = 681,974,941,056.24
  5. Step 5: Solve for x
    x = 681,974,941,056.24/919,548.64
  6. Step 6: Final answer
    x = 741,640.97

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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.