Home / 920,511.90-1,269,652.05-614,433.96

Finding the Fourth Proportional to 920,511.90, 1,269,652.05 and 614,433.96

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Solution

The fourth proportional to 920,511.90, 1,269,652.05 and 614,433.96 is: 847,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,511.90 : 1,269,652.05 = 614,433.96 : x
  2. Step 2: Convert to fraction form
    920,511.90/1,269,652.05 = 614,433.96/x
  3. Step 3: Cross multiply
    920,511.90x = 1,269,652.05 × 614,433.96
  4. Step 4: Simplify right side
    920,511.90x = 780,117,336,903.62
  5. Step 5: Solve for x
    x = 780,117,336,903.62/920,511.90
  6. Step 6: Final answer
    x = 847,482.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.