Home / 919,061.94-1,268,117.70-537,014.90

Finding the Fourth Proportional to 919,061.94, 1,268,117.70 and 537,014.90

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Solution

The fourth proportional to 919,061.94, 1,268,117.70 and 537,014.90 is: 740,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,061.94 : 1,268,117.70 = 537,014.90 : x
  2. Step 2: Convert to fraction form
    919,061.94/1,268,117.70 = 537,014.90/x
  3. Step 3: Cross multiply
    919,061.94x = 1,268,117.70 × 537,014.90
  4. Step 4: Simplify right side
    919,061.94x = 680,998,099,853.73
  5. Step 5: Solve for x
    x = 680,998,099,853.73/919,061.94
  6. Step 6: Final answer
    x = 740,970.84

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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.