Home / 626,488.07-864,554.13-340,008.23

Finding the Fourth Proportional to 626,488.07, 864,554.13 and 340,008.23

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Solution

The fourth proportional to 626,488.07, 864,554.13 and 340,008.23 is: 469,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,488.07 : 864,554.13 = 340,008.23 : x
  2. Step 2: Convert to fraction form
    626,488.07/864,554.13 = 340,008.23/x
  3. Step 3: Cross multiply
    626,488.07x = 864,554.13 × 340,008.23
  4. Step 4: Simplify right side
    626,488.07x = 293,955,522,598.15
  5. Step 5: Solve for x
    x = 293,955,522,598.15/626,488.07
  6. Step 6: Final answer
    x = 469,211.68

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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.