Home / 1,105,754.40-1,659,506.40-432,158.40

Finding the Fourth Proportional to 1,105,754.40, 1,659,506.40 and 432,158.40

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Solution

The fourth proportional to 1,105,754.40, 1,659,506.40 and 432,158.40 is: 648,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,754.40 : 1,659,506.40 = 432,158.40 : x
  2. Step 2: Convert to fraction form
    1,105,754.40/1,659,506.40 = 432,158.40/x
  3. Step 3: Cross multiply
    1,105,754.40x = 1,659,506.40 × 432,158.40
  4. Step 4: Simplify right side
    1,105,754.40x = 717,169,630,613.76
  5. Step 5: Solve for x
    x = 717,169,630,613.76/1,105,754.40
  6. Step 6: Final answer
    x = 648,579.50

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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.