Home / 578,316.95-867,509.45-223,332.83

Finding the Fourth Proportional to 578,316.95, 867,509.45 and 223,332.83

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Solution

The fourth proportional to 578,316.95, 867,509.45 and 223,332.83 is: 335,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,316.95 : 867,509.45 = 223,332.83 : x
  2. Step 2: Convert to fraction form
    578,316.95/867,509.45 = 223,332.83/x
  3. Step 3: Cross multiply
    578,316.95x = 867,509.45 × 223,332.83
  4. Step 4: Simplify right side
    578,316.95x = 193,743,339,403.58
  5. Step 5: Solve for x
    x = 193,743,339,403.58/578,316.95
  6. Step 6: Final answer
    x = 335,012.38

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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.