Home / 988,056.93-1,363,519.46-535,347.93

Finding the Fourth Proportional to 988,056.93, 1,363,519.46 and 535,347.93

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Solution

The fourth proportional to 988,056.93, 1,363,519.46 and 535,347.93 is: 738,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,056.93 : 1,363,519.46 = 535,347.93 : x
  2. Step 2: Convert to fraction form
    988,056.93/1,363,519.46 = 535,347.93/x
  3. Step 3: Cross multiply
    988,056.93x = 1,363,519.46 × 535,347.93
  4. Step 4: Simplify right side
    988,056.93x = 729,957,320,425.72
  5. Step 5: Solve for x
    x = 729,957,320,425.72/988,056.93
  6. Step 6: Final answer
    x = 738,780.63

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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.