Home / 634,622.28-875,713.86-379,966.92

Finding the Fourth Proportional to 634,622.28, 875,713.86 and 379,966.92

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Solution

The fourth proportional to 634,622.28, 875,713.86 and 379,966.92 is: 524,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,622.28 : 875,713.86 = 379,966.92 : x
  2. Step 2: Convert to fraction form
    634,622.28/875,713.86 = 379,966.92/x
  3. Step 3: Cross multiply
    634,622.28x = 875,713.86 × 379,966.92
  4. Step 4: Simplify right side
    634,622.28x = 332,742,298,185.51
  5. Step 5: Solve for x
    x = 332,742,298,185.51/634,622.28
  6. Step 6: Final answer
    x = 524,315.50

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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.