Home / 910,099.40-1,366,272.30-573,139.40

Finding the Fourth Proportional to 910,099.40, 1,366,272.30 and 573,139.40

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Solution

The fourth proportional to 910,099.40, 1,366,272.30 and 573,139.40 is: 860,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,099.40 : 1,366,272.30 = 573,139.40 : x
  2. Step 2: Convert to fraction form
    910,099.40/1,366,272.30 = 573,139.40/x
  3. Step 3: Cross multiply
    910,099.40x = 1,366,272.30 × 573,139.40
  4. Step 4: Simplify right side
    910,099.40x = 783,064,486,258.62
  5. Step 5: Solve for x
    x = 783,064,486,258.62/910,099.40
  6. Step 6: Final answer
    x = 860,416.44

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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.