Home / 933,889.50-1,288,280.09-589,601.63

Finding the Fourth Proportional to 933,889.50, 1,288,280.09 and 589,601.63

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Solution

The fourth proportional to 933,889.50, 1,288,280.09 and 589,601.63 is: 813,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,889.50 : 1,288,280.09 = 589,601.63 : x
  2. Step 2: Convert to fraction form
    933,889.50/1,288,280.09 = 589,601.63/x
  3. Step 3: Cross multiply
    933,889.50x = 1,288,280.09 × 589,601.63
  4. Step 4: Simplify right side
    933,889.50x = 759,572,045,655.25
  5. Step 5: Solve for x
    x = 759,572,045,655.25/933,889.50
  6. Step 6: Final answer
    x = 813,342.53

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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.