Home / 988,384.98-1,363,959.09-535,666.26

Finding the Fourth Proportional to 988,384.98, 1,363,959.09 and 535,666.26

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Solution

The fourth proportional to 988,384.98, 1,363,959.09 and 535,666.26 is: 739,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,384.98 : 1,363,959.09 = 535,666.26 : x
  2. Step 2: Convert to fraction form
    988,384.98/1,363,959.09 = 535,666.26/x
  3. Step 3: Cross multiply
    988,384.98x = 1,363,959.09 × 535,666.26
  4. Step 4: Simplify right side
    988,384.98x = 730,626,864,533.30
  5. Step 5: Solve for x
    x = 730,626,864,533.30/988,384.98
  6. Step 6: Final answer
    x = 739,212.84

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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.