Home / 873,533.52-1,205,472.42-491,566.68

Finding the Fourth Proportional to 873,533.52, 1,205,472.42 and 491,566.68

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Solution

The fourth proportional to 873,533.52, 1,205,472.42 and 491,566.68 is: 678,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,533.52 : 1,205,472.42 = 491,566.68 : x
  2. Step 2: Convert to fraction form
    873,533.52/1,205,472.42 = 491,566.68/x
  3. Step 3: Cross multiply
    873,533.52x = 1,205,472.42 × 491,566.68
  4. Step 4: Simplify right side
    873,533.52x = 592,570,075,330.97
  5. Step 5: Solve for x
    x = 592,570,075,330.97/873,533.52
  6. Step 6: Final answer
    x = 678,359.86

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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.