Home / 2,119,048.90-3,178,573.32-623,140.90

Finding the Fourth Proportional to 2,119,048.90, 3,178,573.32 and 623,140.90

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Solution

The fourth proportional to 2,119,048.90, 3,178,573.32 and 623,140.90 is: 934,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,048.90 : 3,178,573.32 = 623,140.90 : x
  2. Step 2: Convert to fraction form
    2,119,048.90/3,178,573.32 = 623,140.90/x
  3. Step 3: Cross multiply
    2,119,048.90x = 3,178,573.32 × 623,140.90
  4. Step 4: Simplify right side
    2,119,048.90x = 1,980,699,039,340.79
  5. Step 5: Solve for x
    x = 1,980,699,039,340.79/2,119,048.90
  6. Step 6: Final answer
    x = 934,711.34

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Double scale
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Similar ratio
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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.