Home / 988,049.93-1,363,509.80-535,340.93

Finding the Fourth Proportional to 988,049.93, 1,363,509.80 and 535,340.93

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Solution

The fourth proportional to 988,049.93, 1,363,509.80 and 535,340.93 is: 738,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,049.93 : 1,363,509.80 = 535,340.93 : x
  2. Step 2: Convert to fraction form
    988,049.93/1,363,509.80 = 535,340.93/x
  3. Step 3: Cross multiply
    988,049.93x = 1,363,509.80 × 535,340.93
  4. Step 4: Simplify right side
    988,049.93x = 729,942,594,901.86
  5. Step 5: Solve for x
    x = 729,942,594,901.86/988,049.93
  6. Step 6: Final answer
    x = 738,770.96

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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.