Home / 1,437,851.89-1,984,166.17-784,439.16

Finding the Fourth Proportional to 1,437,851.89, 1,984,166.17 and 784,439.16

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Solution

The fourth proportional to 1,437,851.89, 1,984,166.17 and 784,439.16 is: 1,082,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,851.89 : 1,984,166.17 = 784,439.16 : x
  2. Step 2: Convert to fraction form
    1,437,851.89/1,984,166.17 = 784,439.16/x
  3. Step 3: Cross multiply
    1,437,851.89x = 1,984,166.17 × 784,439.16
  4. Step 4: Simplify right side
    1,437,851.89x = 1,556,457,643,695.22
  5. Step 5: Solve for x
    x = 1,556,457,643,695.22/1,437,851.89
  6. Step 6: Final answer
    x = 1,082,488.16

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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.