Home / 1,011,011.10-1,515,437.70-504,574.80

Finding the Fourth Proportional to 1,011,011.10, 1,515,437.70 and 504,574.80

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Solution

The fourth proportional to 1,011,011.10, 1,515,437.70 and 504,574.80 is: 756,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,011.10 : 1,515,437.70 = 504,574.80 : x
  2. Step 2: Convert to fraction form
    1,011,011.10/1,515,437.70 = 504,574.80/x
  3. Step 3: Cross multiply
    1,011,011.10x = 1,515,437.70 × 504,574.80
  4. Step 4: Simplify right side
    1,011,011.10x = 764,651,674,389.96
  5. Step 5: Solve for x
    x = 764,651,674,389.96/1,011,011.10
  6. Step 6: Final answer
    x = 756,323.72

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Double scale
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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.