Home / 1,697,140.70-2,545,653.45-434,980.70

Finding the Fourth Proportional to 1,697,140.70, 2,545,653.45 and 434,980.70

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Solution

The fourth proportional to 1,697,140.70, 2,545,653.45 and 434,980.70 is: 652,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,140.70 : 2,545,653.45 = 434,980.70 : x
  2. Step 2: Convert to fraction form
    1,697,140.70/2,545,653.45 = 434,980.70/x
  3. Step 3: Cross multiply
    1,697,140.70x = 2,545,653.45 × 434,980.70
  4. Step 4: Simplify right side
    1,697,140.70x = 1,107,310,119,638.42
  5. Step 5: Solve for x
    x = 1,107,310,119,638.42/1,697,140.70
  6. Step 6: Final answer
    x = 652,456.29

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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.