Home / 626,673.48-864,811.16-340,193.76

Finding the Fourth Proportional to 626,673.48, 864,811.16 and 340,193.76

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Solution

The fourth proportional to 626,673.48, 864,811.16 and 340,193.76 is: 469,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,673.48 : 864,811.16 = 340,193.76 : x
  2. Step 2: Convert to fraction form
    626,673.48/864,811.16 = 340,193.76/x
  3. Step 3: Cross multiply
    626,673.48x = 864,811.16 × 340,193.76
  4. Step 4: Simplify right side
    626,673.48x = 294,203,360,210.36
  5. Step 5: Solve for x
    x = 294,203,360,210.36/626,673.48
  6. Step 6: Final answer
    x = 469,468.34

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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.