Home / 440,865.08-661,283.04-191,547.08

Finding the Fourth Proportional to 440,865.08, 661,283.04 and 191,547.08

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Solution

The fourth proportional to 440,865.08, 661,283.04 and 191,547.08 is: 287,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,865.08 : 661,283.04 = 191,547.08 : x
  2. Step 2: Convert to fraction form
    440,865.08/661,283.04 = 191,547.08/x
  3. Step 3: Cross multiply
    440,865.08x = 661,283.04 × 191,547.08
  4. Step 4: Simplify right side
    440,865.08x = 126,666,835,365.52
  5. Step 5: Solve for x
    x = 126,666,835,365.52/440,865.08
  6. Step 6: Final answer
    x = 287,314.29

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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.