Home / 989,473.54-1,365,476.12-536,764.54

Finding the Fourth Proportional to 989,473.54, 1,365,476.12 and 536,764.54

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Solution

The fourth proportional to 989,473.54, 1,365,476.12 and 536,764.54 is: 740,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,473.54 : 1,365,476.12 = 536,764.54 : x
  2. Step 2: Convert to fraction form
    989,473.54/1,365,476.12 = 536,764.54/x
  3. Step 3: Cross multiply
    989,473.54x = 1,365,476.12 × 536,764.54
  4. Step 4: Simplify right side
    989,473.54x = 732,939,164,846.48
  5. Step 5: Solve for x
    x = 732,939,164,846.48/989,473.54
  6. Step 6: Final answer
    x = 740,736.50

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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.