Home / 712,626.28-983,522.12-436,935.38

Finding the Fourth Proportional to 712,626.28, 983,522.12 and 436,935.38

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Solution

The fourth proportional to 712,626.28, 983,522.12 and 436,935.38 is: 603,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,626.28 : 983,522.12 = 436,935.38 : x
  2. Step 2: Convert to fraction form
    712,626.28/983,522.12 = 436,935.38/x
  3. Step 3: Cross multiply
    712,626.28x = 983,522.12 × 436,935.38
  4. Step 4: Simplify right side
    712,626.28x = 429,735,611,240.61
  5. Step 5: Solve for x
    x = 429,735,611,240.61/712,626.28
  6. Step 6: Final answer
    x = 603,030.82

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Double scale
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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.