Home / 1,184,170.95-1,634,154.75-640,305.44

Finding the Fourth Proportional to 1,184,170.95, 1,634,154.75 and 640,305.44

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Solution

The fourth proportional to 1,184,170.95, 1,634,154.75 and 640,305.44 is: 883,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,170.95 : 1,634,154.75 = 640,305.44 : x
  2. Step 2: Convert to fraction form
    1,184,170.95/1,634,154.75 = 640,305.44/x
  3. Step 3: Cross multiply
    1,184,170.95x = 1,634,154.75 × 640,305.44
  4. Step 4: Simplify right side
    1,184,170.95x = 1,046,358,168,056.07
  5. Step 5: Solve for x
    x = 1,046,358,168,056.07/1,184,170.95
  6. Step 6: Final answer
    x = 883,620.87

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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.