Home / 669,558.08-923,598.24-452,141.12

Finding the Fourth Proportional to 669,558.08, 923,598.24 and 452,141.12

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Solution

The fourth proportional to 669,558.08, 923,598.24 and 452,141.12 is: 623,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,558.08 : 923,598.24 = 452,141.12 : x
  2. Step 2: Convert to fraction form
    669,558.08/923,598.24 = 452,141.12/x
  3. Step 3: Cross multiply
    669,558.08x = 923,598.24 × 452,141.12
  4. Step 4: Simplify right side
    669,558.08x = 417,596,742,663.63
  5. Step 5: Solve for x
    x = 417,596,742,663.63/669,558.08
  6. Step 6: Final answer
    x = 623,690.10

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Half scale
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Double scale
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Similar ratio
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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.