Home / 625,865.47-863,804.93-367,742.36

Finding the Fourth Proportional to 625,865.47, 863,804.93 and 367,742.36

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Solution

The fourth proportional to 625,865.47, 863,804.93 and 367,742.36 is: 507,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,865.47 : 863,804.93 = 367,742.36 : x
  2. Step 2: Convert to fraction form
    625,865.47/863,804.93 = 367,742.36/x
  3. Step 3: Cross multiply
    625,865.47x = 863,804.93 × 367,742.36
  4. Step 4: Simplify right side
    625,865.47x = 317,657,663,858.64
  5. Step 5: Solve for x
    x = 317,657,663,858.64/625,865.47
  6. Step 6: Final answer
    x = 507,549.43

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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.