Home / 988,054.53-1,363,520.16-535,345.53

Finding the Fourth Proportional to 988,054.53, 1,363,520.16 and 535,345.53

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Solution

The fourth proportional to 988,054.53, 1,363,520.16 and 535,345.53 is: 738,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,054.53 : 1,363,520.16 = 535,345.53 : x
  2. Step 2: Convert to fraction form
    988,054.53/1,363,520.16 = 535,345.53/x
  3. Step 3: Cross multiply
    988,054.53x = 1,363,520.16 × 535,345.53
  4. Step 4: Simplify right side
    988,054.53x = 729,954,422,720.89
  5. Step 5: Solve for x
    x = 729,954,422,720.89/988,054.53
  6. Step 6: Final answer
    x = 738,779.49

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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.