Home / 1,117,015-1,541,487.54-607,721.08

Finding the Fourth Proportional to 1,117,015, 1,541,487.54 and 607,721.08

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Solution

The fourth proportional to 1,117,015, 1,541,487.54 and 607,721.08 is: 838,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,015 : 1,541,487.54 = 607,721.08 : x
  2. Step 2: Convert to fraction form
    1,117,015/1,541,487.54 = 607,721.08/x
  3. Step 3: Cross multiply
    1,117,015x = 1,541,487.54 × 607,721.08
  4. Step 4: Simplify right side
    1,117,015x = 936,794,472,615.34
  5. Step 5: Solve for x
    x = 936,794,472,615.34/1,117,015
  6. Step 6: Final answer
    x = 838,658.81

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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.