Home / 734,989.18-1,011,938.84-627,126.34

Finding the Fourth Proportional to 734,989.18, 1,011,938.84 and 627,126.34

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Solution

The fourth proportional to 734,989.18, 1,011,938.84 and 627,126.34 is: 863,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,989.18 : 1,011,938.84 = 627,126.34 : x
  2. Step 2: Convert to fraction form
    734,989.18/1,011,938.84 = 627,126.34/x
  3. Step 3: Cross multiply
    734,989.18x = 1,011,938.84 × 627,126.34
  4. Step 4: Simplify right side
    734,989.18x = 634,613,501,033.05
  5. Step 5: Solve for x
    x = 634,613,501,033.05/734,989.18
  6. Step 6: Final answer
    x = 863,432.44

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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.