Home / 784,411.10-1,082,441.81-440,214.88

Finding the Fourth Proportional to 784,411.10, 1,082,441.81 and 440,214.88

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Solution

The fourth proportional to 784,411.10, 1,082,441.81 and 440,214.88 is: 607,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,411.10 : 1,082,441.81 = 440,214.88 : x
  2. Step 2: Convert to fraction form
    784,411.10/1,082,441.81 = 440,214.88/x
  3. Step 3: Cross multiply
    784,411.10x = 1,082,441.81 × 440,214.88
  4. Step 4: Simplify right side
    784,411.10x = 476,506,991,496.13
  5. Step 5: Solve for x
    x = 476,506,991,496.13/784,411.10
  6. Step 6: Final answer
    x = 607,471.00

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1.5x scale

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.