Home / 745,858.08-1,118,814.83-240,426.35

Finding the Fourth Proportional to 745,858.08, 1,118,814.83 and 240,426.35

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Solution

The fourth proportional to 745,858.08, 1,118,814.83 and 240,426.35 is: 360,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,858.08 : 1,118,814.83 = 240,426.35 : x
  2. Step 2: Convert to fraction form
    745,858.08/1,118,814.83 = 240,426.35/x
  3. Step 3: Cross multiply
    745,858.08x = 1,118,814.83 × 240,426.35
  4. Step 4: Simplify right side
    745,858.08x = 268,992,565,902.77
  5. Step 5: Solve for x
    x = 268,992,565,902.77/745,858.08
  6. Step 6: Final answer
    x = 360,648.46

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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.