Home / 800,123.16-1,104,169.92-437,547.30

Finding the Fourth Proportional to 800,123.16, 1,104,169.92 and 437,547.30

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Solution

The fourth proportional to 800,123.16, 1,104,169.92 and 437,547.30 is: 603,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,123.16 : 1,104,169.92 = 437,547.30 : x
  2. Step 2: Convert to fraction form
    800,123.16/1,104,169.92 = 437,547.30/x
  3. Step 3: Cross multiply
    800,123.16x = 1,104,169.92 × 437,547.30
  4. Step 4: Simplify right side
    800,123.16x = 483,126,567,237.22
  5. Step 5: Solve for x
    x = 483,126,567,237.22/800,123.16
  6. Step 6: Final answer
    x = 603,815.25

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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.