Home / 873,198.72-1,205,033.76-533,854.08

Finding the Fourth Proportional to 873,198.72, 1,205,033.76 and 533,854.08

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Solution

The fourth proportional to 873,198.72, 1,205,033.76 and 533,854.08 is: 736,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,198.72 : 1,205,033.76 = 533,854.08 : x
  2. Step 2: Convert to fraction form
    873,198.72/1,205,033.76 = 533,854.08/x
  3. Step 3: Cross multiply
    873,198.72x = 1,205,033.76 × 533,854.08
  4. Step 4: Simplify right side
    873,198.72x = 643,312,189,313.74
  5. Step 5: Solve for x
    x = 643,312,189,313.74/873,198.72
  6. Step 6: Final answer
    x = 736,730.57

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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.