Home / 358,966.57-534,464.60-353,939.77

Finding the Fourth Proportional to 358,966.57, 534,464.60 and 353,939.77

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Solution

The fourth proportional to 358,966.57, 534,464.60 and 353,939.77 is: 526,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,966.57 : 534,464.60 = 353,939.77 : x
  2. Step 2: Convert to fraction form
    358,966.57/534,464.60 = 353,939.77/x
  3. Step 3: Cross multiply
    358,966.57x = 534,464.60 × 353,939.77
  4. Step 4: Simplify right side
    358,966.57x = 189,168,277,597.14
  5. Step 5: Solve for x
    x = 189,168,277,597.14/358,966.57
  6. Step 6: Final answer
    x = 526,980.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.