Home / 988,560.76-1,364,215.62-535,852.84

Finding the Fourth Proportional to 988,560.76, 1,364,215.62 and 535,852.84

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Solution

The fourth proportional to 988,560.76, 1,364,215.62 and 535,852.84 is: 739,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,560.76 : 1,364,215.62 = 535,852.84 : x
  2. Step 2: Convert to fraction form
    988,560.76/1,364,215.62 = 535,852.84/x
  3. Step 3: Cross multiply
    988,560.76x = 1,364,215.62 × 535,852.84
  4. Step 4: Simplify right side
    988,560.76x = 731,018,814,349.36
  5. Step 5: Solve for x
    x = 731,018,814,349.36/988,560.76
  6. Step 6: Final answer
    x = 739,477.88

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Double scale
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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.