Home / 626,561.46-864,631.66-340,075.39

Finding the Fourth Proportional to 626,561.46, 864,631.66 and 340,075.39

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Solution

The fourth proportional to 626,561.46, 864,631.66 and 340,075.39 is: 469,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,561.46 : 864,631.66 = 340,075.39 : x
  2. Step 2: Convert to fraction form
    626,561.46/864,631.66 = 340,075.39/x
  3. Step 3: Cross multiply
    626,561.46x = 864,631.66 × 340,075.39
  4. Step 4: Simplify right side
    626,561.46x = 294,039,948,980.85
  5. Step 5: Solve for x
    x = 294,039,948,980.85/626,561.46
  6. Step 6: Final answer
    x = 469,291.47

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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.