Home / 634,966.02-876,253.14-380,464.56

Finding the Fourth Proportional to 634,966.02, 876,253.14 and 380,464.56

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Solution

The fourth proportional to 634,966.02, 876,253.14 and 380,464.56 is: 525,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,966.02 : 876,253.14 = 380,464.56 : x
  2. Step 2: Convert to fraction form
    634,966.02/876,253.14 = 380,464.56/x
  3. Step 3: Cross multiply
    634,966.02x = 876,253.14 × 380,464.56
  4. Step 4: Simplify right side
    634,966.02x = 333,383,265,358.72
  5. Step 5: Solve for x
    x = 333,383,265,358.72/634,966.02
  6. Step 6: Final answer
    x = 525,041.11

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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.