Home / 628,365.92-867,148.72-341,888.16

Finding the Fourth Proportional to 628,365.92, 867,148.72 and 341,888.16

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Solution

The fourth proportional to 628,365.92, 867,148.72 and 341,888.16 is: 471,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,365.92 : 867,148.72 = 341,888.16 : x
  2. Step 2: Convert to fraction form
    628,365.92/867,148.72 = 341,888.16/x
  3. Step 3: Cross multiply
    628,365.92x = 867,148.72 × 341,888.16
  4. Step 4: Simplify right side
    628,365.92x = 296,467,880,327.16
  5. Step 5: Solve for x
    x = 296,467,880,327.16/628,365.92
  6. Step 6: Final answer
    x = 471,807.70

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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.