Home / 626,555.10-864,622.86-340,069.04

Finding the Fourth Proportional to 626,555.10, 864,622.86 and 340,069.04

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Solution

The fourth proportional to 626,555.10, 864,622.86 and 340,069.04 is: 469,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,555.10 : 864,622.86 = 340,069.04 : x
  2. Step 2: Convert to fraction form
    626,555.10/864,622.86 = 340,069.04/x
  3. Step 3: Cross multiply
    626,555.10x = 864,622.86 × 340,069.04
  4. Step 4: Simplify right side
    626,555.10x = 294,031,465,962.25
  5. Step 5: Solve for x
    x = 294,031,465,962.25/626,555.10
  6. Step 6: Final answer
    x = 469,282.70

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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.