Home / 1,091,028.06-1,505,510.94-607,638.18

Finding the Fourth Proportional to 1,091,028.06, 1,505,510.94 and 607,638.18

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Solution

The fourth proportional to 1,091,028.06, 1,505,510.94 and 607,638.18 is: 838,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,028.06 : 1,505,510.94 = 607,638.18 : x
  2. Step 2: Convert to fraction form
    1,091,028.06/1,505,510.94 = 607,638.18/x
  3. Step 3: Cross multiply
    1,091,028.06x = 1,505,510.94 × 607,638.18
  4. Step 4: Simplify right side
    1,091,028.06x = 914,805,927,551.69
  5. Step 5: Solve for x
    x = 914,805,927,551.69/1,091,028.06
  6. Step 6: Final answer
    x = 838,480.66

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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.