Home / 1,235,346.90-1,853,020.35-436,622.10

Finding the Fourth Proportional to 1,235,346.90, 1,853,020.35 and 436,622.10

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Solution

The fourth proportional to 1,235,346.90, 1,853,020.35 and 436,622.10 is: 654,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,346.90 : 1,853,020.35 = 436,622.10 : x
  2. Step 2: Convert to fraction form
    1,235,346.90/1,853,020.35 = 436,622.10/x
  3. Step 3: Cross multiply
    1,235,346.90x = 1,853,020.35 × 436,622.10
  4. Step 4: Simplify right side
    1,235,346.90x = 809,069,636,559.74
  5. Step 5: Solve for x
    x = 809,069,636,559.74/1,235,346.90
  6. Step 6: Final answer
    x = 654,933.15

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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.