Home / 712,583.55-983,381.24-406,653.84

Finding the Fourth Proportional to 712,583.55, 983,381.24 and 406,653.84

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Solution

The fourth proportional to 712,583.55, 983,381.24 and 406,653.84 is: 561,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,583.55 : 983,381.24 = 406,653.84 : x
  2. Step 2: Convert to fraction form
    712,583.55/983,381.24 = 406,653.84/x
  3. Step 3: Cross multiply
    712,583.55x = 983,381.24 × 406,653.84
  4. Step 4: Simplify right side
    712,583.55x = 399,895,758,446.60
  5. Step 5: Solve for x
    x = 399,895,758,446.60/712,583.55
  6. Step 6: Final answer
    x = 561,191.40

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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.