Home / 989,116.40-1,483,674.60-634,822.40

Finding the Fourth Proportional to 989,116.40, 1,483,674.60 and 634,822.40

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Solution

The fourth proportional to 989,116.40, 1,483,674.60 and 634,822.40 is: 952,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,116.40 : 1,483,674.60 = 634,822.40 : x
  2. Step 2: Convert to fraction form
    989,116.40/1,483,674.60 = 634,822.40/x
  3. Step 3: Cross multiply
    989,116.40x = 1,483,674.60 × 634,822.40
  4. Step 4: Simplify right side
    989,116.40x = 941,869,870,391.04
  5. Step 5: Solve for x
    x = 941,869,870,391.04/989,116.40
  6. Step 6: Final answer
    x = 952,233.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.