Home / 692,830.80-1,039,246.20-580,856.40

Finding the Fourth Proportional to 692,830.80, 1,039,246.20 and 580,856.40

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Solution

The fourth proportional to 692,830.80, 1,039,246.20 and 580,856.40 is: 871,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,830.80 : 1,039,246.20 = 580,856.40 : x
  2. Step 2: Convert to fraction form
    692,830.80/1,039,246.20 = 580,856.40/x
  3. Step 3: Cross multiply
    692,830.80x = 1,039,246.20 × 580,856.40
  4. Step 4: Simplify right side
    692,830.80x = 603,652,806,445.68
  5. Step 5: Solve for x
    x = 603,652,806,445.68/692,830.80
  6. Step 6: Final answer
    x = 871,284.60

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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.