Home / 621,225.27-930,886.65-418,068.36

Finding the Fourth Proportional to 621,225.27, 930,886.65 and 418,068.36

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Solution

The fourth proportional to 621,225.27, 930,886.65 and 418,068.36 is: 626,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,225.27 : 930,886.65 = 418,068.36 : x
  2. Step 2: Convert to fraction form
    621,225.27/930,886.65 = 418,068.36/x
  3. Step 3: Cross multiply
    621,225.27x = 930,886.65 × 418,068.36
  4. Step 4: Simplify right side
    621,225.27x = 389,174,255,111.39
  5. Step 5: Solve for x
    x = 389,174,255,111.39/621,225.27
  6. Step 6: Final answer
    x = 626,462.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.