Home / 651,241.92-899,152.68-406,599.52

Finding the Fourth Proportional to 651,241.92, 899,152.68 and 406,599.52

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Solution

The fourth proportional to 651,241.92, 899,152.68 and 406,599.52 is: 561,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,241.92 : 899,152.68 = 406,599.52 : x
  2. Step 2: Convert to fraction form
    651,241.92/899,152.68 = 406,599.52/x
  3. Step 3: Cross multiply
    651,241.92x = 899,152.68 × 406,599.52
  4. Step 4: Simplify right side
    651,241.92x = 365,595,048,094.71
  5. Step 5: Solve for x
    x = 365,595,048,094.71/651,241.92
  6. Step 6: Final answer
    x = 561,381.32

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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.