Home / 696,005.44-960,567.18-390,164.42

Finding the Fourth Proportional to 696,005.44, 960,567.18 and 390,164.42

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Solution

The fourth proportional to 696,005.44, 960,567.18 and 390,164.42 is: 538,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,005.44 : 960,567.18 = 390,164.42 : x
  2. Step 2: Convert to fraction form
    696,005.44/960,567.18 = 390,164.42/x
  3. Step 3: Cross multiply
    696,005.44x = 960,567.18 × 390,164.42
  4. Step 4: Simplify right side
    696,005.44x = 374,779,136,655.74
  5. Step 5: Solve for x
    x = 374,779,136,655.74/696,005.44
  6. Step 6: Final answer
    x = 538,471.56

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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.