Home / 695,962.32-960,412.04-405,555.40

Finding the Fourth Proportional to 695,962.32, 960,412.04 and 405,555.40

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Solution

The fourth proportional to 695,962.32, 960,412.04 and 405,555.40 is: 559,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,962.32 : 960,412.04 = 405,555.40 : x
  2. Step 2: Convert to fraction form
    695,962.32/960,412.04 = 405,555.40/x
  3. Step 3: Cross multiply
    695,962.32x = 960,412.04 × 405,555.40
  4. Step 4: Simplify right side
    695,962.32x = 389,500,287,019.24
  5. Step 5: Solve for x
    x = 389,500,287,019.24/695,962.32
  6. Step 6: Final answer
    x = 559,657.15

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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.