Home / 712,629.74-983,526.87-436,938.82

Finding the Fourth Proportional to 712,629.74, 983,526.87 and 436,938.82

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Solution

The fourth proportional to 712,629.74, 983,526.87 and 436,938.82 is: 603,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,629.74 : 983,526.87 = 436,938.82 : x
  2. Step 2: Convert to fraction form
    712,629.74/983,526.87 = 436,938.82/x
  3. Step 3: Cross multiply
    712,629.74x = 983,526.87 × 436,938.82
  4. Step 4: Simplify right side
    712,629.74x = 429,741,070,016.09
  5. Step 5: Solve for x
    x = 429,741,070,016.09/712,629.74
  6. Step 6: Final answer
    x = 603,035.55

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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.