Home / 712,601.46-983,017.31-440,582.40

Finding the Fourth Proportional to 712,601.46, 983,017.31 and 440,582.40

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Solution

The fourth proportional to 712,601.46, 983,017.31 and 440,582.40 is: 607,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,601.46 : 983,017.31 = 440,582.40 : x
  2. Step 2: Convert to fraction form
    712,601.46/983,017.31 = 440,582.40/x
  3. Step 3: Cross multiply
    712,601.46x = 983,017.31 × 440,582.40
  4. Step 4: Simplify right side
    712,601.46x = 433,100,123,478.43
  5. Step 5: Solve for x
    x = 433,100,123,478.43/712,601.46
  6. Step 6: Final answer
    x = 607,773.28

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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.