Home / 859,082.45-1,185,533.76-477,144.77

Finding the Fourth Proportional to 859,082.45, 1,185,533.76 and 477,144.77

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Solution

The fourth proportional to 859,082.45, 1,185,533.76 and 477,144.77 is: 658,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,082.45 : 1,185,533.76 = 477,144.77 : x
  2. Step 2: Convert to fraction form
    859,082.45/1,185,533.76 = 477,144.77/x
  3. Step 3: Cross multiply
    859,082.45x = 1,185,533.76 × 477,144.77
  4. Step 4: Simplify right side
    859,082.45x = 565,671,227,314.77
  5. Step 5: Solve for x
    x = 565,671,227,314.77/859,082.45
  6. Step 6: Final answer
    x = 658,459.77

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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.