Home / 988,296.47-1,363,850.31-535,587.47

Finding the Fourth Proportional to 988,296.47, 1,363,850.31 and 535,587.47

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Solution

The fourth proportional to 988,296.47, 1,363,850.31 and 535,587.47 is: 739,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,296.47 : 1,363,850.31 = 535,587.47 : x
  2. Step 2: Convert to fraction form
    988,296.47/1,363,850.31 = 535,587.47/x
  3. Step 3: Cross multiply
    988,296.47x = 1,363,850.31 × 535,587.47
  4. Step 4: Simplify right side
    988,296.47x = 730,461,136,991.62
  5. Step 5: Solve for x
    x = 730,461,136,991.62/988,296.47
  6. Step 6: Final answer
    x = 739,111.35

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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.