Home / 1,233,836-1,702,681.86-689,965.52

Finding the Fourth Proportional to 1,233,836, 1,702,681.86 and 689,965.52

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Solution

The fourth proportional to 1,233,836, 1,702,681.86 and 689,965.52 is: 952,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,836 : 1,702,681.86 = 689,965.52 : x
  2. Step 2: Convert to fraction form
    1,233,836/1,702,681.86 = 689,965.52/x
  3. Step 3: Cross multiply
    1,233,836x = 1,702,681.86 × 689,965.52
  4. Step 4: Simplify right side
    1,233,836x = 1,174,791,774,929.47
  5. Step 5: Solve for x
    x = 1,174,791,774,929.47/1,233,836
  6. Step 6: Final answer
    x = 952,145.81

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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.