Home / 993,968.79-1,371,640.92-607,430.90

Finding the Fourth Proportional to 993,968.79, 1,371,640.92 and 607,430.90

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Solution

The fourth proportional to 993,968.79, 1,371,640.92 and 607,430.90 is: 838,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,968.79 : 1,371,640.92 = 607,430.90 : x
  2. Step 2: Convert to fraction form
    993,968.79/1,371,640.92 = 607,430.90/x
  3. Step 3: Cross multiply
    993,968.79x = 1,371,640.92 × 607,430.90
  4. Step 4: Simplify right side
    993,968.79x = 833,177,071,654.22
  5. Step 5: Solve for x
    x = 833,177,071,654.22/993,968.79
  6. Step 6: Final answer
    x = 838,232.63

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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.