Home / 649,298.19-896,120.49-373,650.37

Finding the Fourth Proportional to 649,298.19, 896,120.49 and 373,650.37

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Solution

The fourth proportional to 649,298.19, 896,120.49 and 373,650.37 is: 515,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,298.19 : 896,120.49 = 373,650.37 : x
  2. Step 2: Convert to fraction form
    649,298.19/896,120.49 = 373,650.37/x
  3. Step 3: Cross multiply
    649,298.19x = 896,120.49 × 373,650.37
  4. Step 4: Simplify right side
    649,298.19x = 334,835,752,653.08
  5. Step 5: Solve for x
    x = 334,835,752,653.08/649,298.19
  6. Step 6: Final answer
    x = 515,688.72

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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.