Home / 634,174.12-875,160.03-347,688.10

Finding the Fourth Proportional to 634,174.12, 875,160.03 and 347,688.10

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Solution

The fourth proportional to 634,174.12, 875,160.03 and 347,688.10 is: 479,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,174.12 : 875,160.03 = 347,688.10 : x
  2. Step 2: Convert to fraction form
    634,174.12/875,160.03 = 347,688.10/x
  3. Step 3: Cross multiply
    634,174.12x = 875,160.03 × 347,688.10
  4. Step 4: Simplify right side
    634,174.12x = 304,282,728,026.64
  5. Step 5: Solve for x
    x = 304,282,728,026.64/634,174.12
  6. Step 6: Final answer
    x = 479,809.44

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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.