Home / 712,770.08-983,622.54-426,290.18

Finding the Fourth Proportional to 712,770.08, 983,622.54 and 426,290.18

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Solution

The fourth proportional to 712,770.08, 983,622.54 and 426,290.18 is: 588,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,770.08 : 983,622.54 = 426,290.18 : x
  2. Step 2: Convert to fraction form
    712,770.08/983,622.54 = 426,290.18/x
  3. Step 3: Cross multiply
    712,770.08x = 983,622.54 × 426,290.18
  4. Step 4: Simplify right side
    712,770.08x = 419,308,629,628.66
  5. Step 5: Solve for x
    x = 419,308,629,628.66/712,770.08
  6. Step 6: Final answer
    x = 588,280.35

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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.