Home / 1,697,140.20-2,545,652.70-434,980.20

Finding the Fourth Proportional to 1,697,140.20, 2,545,652.70 and 434,980.20

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Solution

The fourth proportional to 1,697,140.20, 2,545,652.70 and 434,980.20 is: 652,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,140.20 : 2,545,652.70 = 434,980.20 : x
  2. Step 2: Convert to fraction form
    1,697,140.20/2,545,652.70 = 434,980.20/x
  3. Step 3: Cross multiply
    1,697,140.20x = 2,545,652.70 × 434,980.20
  4. Step 4: Simplify right side
    1,697,140.20x = 1,107,308,520,576.54
  5. Step 5: Solve for x
    x = 1,107,308,520,576.54/1,697,140.20
  6. Step 6: Final answer
    x = 652,455.54

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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.