Home / 1,091,073.51-1,505,728.17-607,638.65

Finding the Fourth Proportional to 1,091,073.51, 1,505,728.17 and 607,638.65

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Solution

The fourth proportional to 1,091,073.51, 1,505,728.17 and 607,638.65 is: 838,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,073.51 : 1,505,728.17 = 607,638.65 : x
  2. Step 2: Convert to fraction form
    1,091,073.51/1,505,728.17 = 607,638.65/x
  3. Step 3: Cross multiply
    1,091,073.51x = 1,505,728.17 × 607,638.65
  4. Step 4: Simplify right side
    1,091,073.51x = 914,938,624,957.13
  5. Step 5: Solve for x
    x = 914,938,624,957.13/1,091,073.51
  6. Step 6: Final answer
    x = 838,567.35

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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.