Home / 859,188.81-1,185,548.75-496,542.64

Finding the Fourth Proportional to 859,188.81, 1,185,548.75 and 496,542.64

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Solution

The fourth proportional to 859,188.81, 1,185,548.75 and 496,542.64 is: 685,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,188.81 : 1,185,548.75 = 496,542.64 : x
  2. Step 2: Convert to fraction form
    859,188.81/1,185,548.75 = 496,542.64/x
  3. Step 3: Cross multiply
    859,188.81x = 1,185,548.75 × 496,542.64
  4. Step 4: Simplify right side
    859,188.81x = 588,675,506,173.70
  5. Step 5: Solve for x
    x = 588,675,506,173.70/859,188.81
  6. Step 6: Final answer
    x = 685,152.67

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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.