Home / 696,829.84-960,607.35-492,520.30

Finding the Fourth Proportional to 696,829.84, 960,607.35 and 492,520.30

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Solution

The fourth proportional to 696,829.84, 960,607.35 and 492,520.30 is: 678,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,829.84 : 960,607.35 = 492,520.30 : x
  2. Step 2: Convert to fraction form
    696,829.84/960,607.35 = 492,520.30/x
  3. Step 3: Cross multiply
    696,829.84x = 960,607.35 × 492,520.30
  4. Step 4: Simplify right side
    696,829.84x = 473,118,617,802.69
  5. Step 5: Solve for x
    x = 473,118,617,802.69/696,829.84
  6. Step 6: Final answer
    x = 678,958.61

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Double scale
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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.