Home / 712,611.42-983,031.06-440,592.36

Finding the Fourth Proportional to 712,611.42, 983,031.06 and 440,592.36

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Solution

The fourth proportional to 712,611.42, 983,031.06 and 440,592.36 is: 607,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,611.42 : 983,031.06 = 440,592.36 : x
  2. Step 2: Convert to fraction form
    712,611.42/983,031.06 = 440,592.36/x
  3. Step 3: Cross multiply
    712,611.42x = 983,031.06 × 440,592.36
  4. Step 4: Simplify right side
    712,611.42x = 433,115,974,678.70
  5. Step 5: Solve for x
    x = 433,115,974,678.70/712,611.42
  6. Step 6: Final answer
    x = 607,787.02

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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.