Home / 712,617.42-983,039.34-440,598.36

Finding the Fourth Proportional to 712,617.42, 983,039.34 and 440,598.36

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Solution

The fourth proportional to 712,617.42, 983,039.34 and 440,598.36 is: 607,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,617.42 : 983,039.34 = 440,598.36 : x
  2. Step 2: Convert to fraction form
    712,617.42/983,039.34 = 440,598.36/x
  3. Step 3: Cross multiply
    712,617.42x = 983,039.34 × 440,598.36
  4. Step 4: Simplify right side
    712,617.42x = 433,125,521,019.48
  5. Step 5: Solve for x
    x = 433,125,521,019.48/712,617.42
  6. Step 6: Final answer
    x = 607,795.30

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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.