Home / 626,584.08-864,686.70-340,104.06

Finding the Fourth Proportional to 626,584.08, 864,686.70 and 340,104.06

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Solution

The fourth proportional to 626,584.08, 864,686.70 and 340,104.06 is: 469,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,584.08 : 864,686.70 = 340,104.06 : x
  2. Step 2: Convert to fraction form
    626,584.08/864,686.70 = 340,104.06/x
  3. Step 3: Cross multiply
    626,584.08x = 864,686.70 × 340,104.06
  4. Step 4: Simplify right side
    626,584.08x = 294,083,457,298.00
  5. Step 5: Solve for x
    x = 294,083,457,298.00/626,584.08
  6. Step 6: Final answer
    x = 469,343.97

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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.