Home / 989,117.40-1,483,676.10-652,538.10

Finding the Fourth Proportional to 989,117.40, 1,483,676.10 and 652,538.10

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Solution

The fourth proportional to 989,117.40, 1,483,676.10 and 652,538.10 is: 978,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,117.40 : 1,483,676.10 = 652,538.10 : x
  2. Step 2: Convert to fraction form
    989,117.40/1,483,676.10 = 652,538.10/x
  3. Step 3: Cross multiply
    989,117.40x = 1,483,676.10 × 652,538.10
  4. Step 4: Simplify right side
    989,117.40x = 968,155,183,309.41
  5. Step 5: Solve for x
    x = 968,155,183,309.41/989,117.40
  6. Step 6: Final answer
    x = 978,807.15

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Double scale
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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.