Home / 745,547.80-1,118,321.70-184,582.30

Finding the Fourth Proportional to 745,547.80, 1,118,321.70 and 184,582.30

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Solution

The fourth proportional to 745,547.80, 1,118,321.70 and 184,582.30 is: 276,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,547.80 : 1,118,321.70 = 184,582.30 : x
  2. Step 2: Convert to fraction form
    745,547.80/1,118,321.70 = 184,582.30/x
  3. Step 3: Cross multiply
    745,547.80x = 1,118,321.70 × 184,582.30
  4. Step 4: Simplify right side
    745,547.80x = 206,422,391,525.91
  5. Step 5: Solve for x
    x = 206,422,391,525.91/745,547.80
  6. Step 6: Final answer
    x = 276,873.45

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Double scale
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Similar ratio
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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.