Home / 712,559.83-983,333.52-385,873.40

Finding the Fourth Proportional to 712,559.83, 983,333.52 and 385,873.40

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Solution

The fourth proportional to 712,559.83, 983,333.52 and 385,873.40 is: 532,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,559.83 : 983,333.52 = 385,873.40 : x
  2. Step 2: Convert to fraction form
    712,559.83/983,333.52 = 385,873.40/x
  3. Step 3: Cross multiply
    712,559.83x = 983,333.52 × 385,873.40
  4. Step 4: Simplify right side
    712,559.83x = 379,442,248,696.37
  5. Step 5: Solve for x
    x = 379,442,248,696.37/712,559.83
  6. Step 6: Final answer
    x = 532,505.81

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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.