Home / 1,225,644.89-1,838,762.57-384,196.64

Finding the Fourth Proportional to 1,225,644.89, 1,838,762.57 and 384,196.64

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Solution

The fourth proportional to 1,225,644.89, 1,838,762.57 and 384,196.64 is: 576,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,644.89 : 1,838,762.57 = 384,196.64 : x
  2. Step 2: Convert to fraction form
    1,225,644.89/1,838,762.57 = 384,196.64/x
  3. Step 3: Cross multiply
    1,225,644.89x = 1,838,762.57 × 384,196.64
  4. Step 4: Simplify right side
    1,225,644.89x = 706,446,392,918.44
  5. Step 5: Solve for x
    x = 706,446,392,918.44/1,225,644.89
  6. Step 6: Final answer
    x = 576,387.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.