Home / 988,056.53-1,363,522.92-535,347.53

Finding the Fourth Proportional to 988,056.53, 1,363,522.92 and 535,347.53

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Solution

The fourth proportional to 988,056.53, 1,363,522.92 and 535,347.53 is: 738,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,056.53 : 1,363,522.92 = 535,347.53 : x
  2. Step 2: Convert to fraction form
    988,056.53/1,363,522.92 = 535,347.53/x
  3. Step 3: Cross multiply
    988,056.53x = 1,363,522.92 × 535,347.53
  4. Step 4: Simplify right side
    988,056.53x = 729,958,627,320.39
  5. Step 5: Solve for x
    x = 729,958,627,320.39/988,056.53
  6. Step 6: Final answer
    x = 738,782.25

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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.