Home / 626,742.73-864,048.06-430,503.22

Finding the Fourth Proportional to 626,742.73, 864,048.06 and 430,503.22

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Solution

The fourth proportional to 626,742.73, 864,048.06 and 430,503.22 is: 593,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,742.73 : 864,048.06 = 430,503.22 : x
  2. Step 2: Convert to fraction form
    626,742.73/864,048.06 = 430,503.22/x
  3. Step 3: Cross multiply
    626,742.73x = 864,048.06 × 430,503.22
  4. Step 4: Simplify right side
    626,742.73x = 371,975,472,064.75
  5. Step 5: Solve for x
    x = 371,975,472,064.75/626,742.73
  6. Step 6: Final answer
    x = 593,505.84

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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.