Home / 1,095,620.20-1,643,430.30-653,252.20

Finding the Fourth Proportional to 1,095,620.20, 1,643,430.30 and 653,252.20

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Solution

The fourth proportional to 1,095,620.20, 1,643,430.30 and 653,252.20 is: 979,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,620.20 : 1,643,430.30 = 653,252.20 : x
  2. Step 2: Convert to fraction form
    1,095,620.20/1,643,430.30 = 653,252.20/x
  3. Step 3: Cross multiply
    1,095,620.20x = 1,643,430.30 × 653,252.20
  4. Step 4: Simplify right side
    1,095,620.20x = 1,073,574,459,021.66
  5. Step 5: Solve for x
    x = 1,073,574,459,021.66/1,095,620.20
  6. Step 6: Final answer
    x = 979,878.30

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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.