Home / 859,495.08-1,186,140.12-477,521.86

Finding the Fourth Proportional to 859,495.08, 1,186,140.12 and 477,521.86

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Solution

The fourth proportional to 859,495.08, 1,186,140.12 and 477,521.86 is: 659,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,495.08 : 1,186,140.12 = 477,521.86 : x
  2. Step 2: Convert to fraction form
    859,495.08/1,186,140.12 = 477,521.86/x
  3. Step 3: Cross multiply
    859,495.08x = 1,186,140.12 × 477,521.86
  4. Step 4: Simplify right side
    859,495.08x = 566,407,833,790.98
  5. Step 5: Solve for x
    x = 566,407,833,790.98/859,495.08
  6. Step 6: Final answer
    x = 659,000.67

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Double scale
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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.