Home / 516,350.81-774,829.35-216,808.35

Finding the Fourth Proportional to 516,350.81, 774,829.35 and 216,808.35

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Solution

The fourth proportional to 516,350.81, 774,829.35 and 216,808.35 is: 325,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,350.81 : 774,829.35 = 216,808.35 : x
  2. Step 2: Convert to fraction form
    516,350.81/774,829.35 = 216,808.35/x
  3. Step 3: Cross multiply
    516,350.81x = 774,829.35 × 216,808.35
  4. Step 4: Simplify right side
    516,350.81x = 167,989,472,905.07
  5. Step 5: Solve for x
    x = 167,989,472,905.07/516,350.81
  6. Step 6: Final answer
    x = 325,339.81

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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.