Home / 1,185,667.63-1,778,784.41-386,950.66

Finding the Fourth Proportional to 1,185,667.63, 1,778,784.41 and 386,950.66

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Solution

The fourth proportional to 1,185,667.63, 1,778,784.41 and 386,950.66 is: 580,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,667.63 : 1,778,784.41 = 386,950.66 : x
  2. Step 2: Convert to fraction form
    1,185,667.63/1,778,784.41 = 386,950.66/x
  3. Step 3: Cross multiply
    1,185,667.63x = 1,778,784.41 × 386,950.66
  4. Step 4: Simplify right side
    1,185,667.63x = 688,301,799,512.46
  5. Step 5: Solve for x
    x = 688,301,799,512.46/1,185,667.63
  6. Step 6: Final answer
    x = 580,518.34

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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.