Home / 680,164.20-1,020,246.30-619,511.40

Finding the Fourth Proportional to 680,164.20, 1,020,246.30 and 619,511.40

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Solution

The fourth proportional to 680,164.20, 1,020,246.30 and 619,511.40 is: 929,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,164.20 : 1,020,246.30 = 619,511.40 : x
  2. Step 2: Convert to fraction form
    680,164.20/1,020,246.30 = 619,511.40/x
  3. Step 3: Cross multiply
    680,164.20x = 1,020,246.30 × 619,511.40
  4. Step 4: Simplify right side
    680,164.20x = 632,054,213,657.82
  5. Step 5: Solve for x
    x = 632,054,213,657.82/680,164.20
  6. Step 6: Final answer
    x = 929,267.10

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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.