Home / 988,435.47-1,364,042.12-535,726.47

Finding the Fourth Proportional to 988,435.47, 1,364,042.12 and 535,726.47

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Solution

The fourth proportional to 988,435.47, 1,364,042.12 and 535,726.47 is: 739,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,435.47 : 1,364,042.12 = 535,726.47 : x
  2. Step 2: Convert to fraction form
    988,435.47/1,364,042.12 = 535,726.47/x
  3. Step 3: Cross multiply
    988,435.47x = 1,364,042.12 × 535,726.47
  4. Step 4: Simplify right side
    988,435.47x = 730,753,467,200.28
  5. Step 5: Solve for x
    x = 730,753,467,200.28/988,435.47
  6. Step 6: Final answer
    x = 739,303.16

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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.