Home / 1,243,624.51-1,716,047.53-784,565.11

Finding the Fourth Proportional to 1,243,624.51, 1,716,047.53 and 784,565.11

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Solution

The fourth proportional to 1,243,624.51, 1,716,047.53 and 784,565.11 is: 1,082,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,624.51 : 1,716,047.53 = 784,565.11 : x
  2. Step 2: Convert to fraction form
    1,243,624.51/1,716,047.53 = 784,565.11/x
  3. Step 3: Cross multiply
    1,243,624.51x = 1,716,047.53 × 784,565.11
  4. Step 4: Simplify right side
    1,243,624.51x = 1,346,351,019,139.68
  5. Step 5: Solve for x
    x = 1,346,351,019,139.68/1,243,624.51
  6. Step 6: Final answer
    x = 1,082,602.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.