Home / 1,225,588.14-1,838,383.02-384,205.50

Finding the Fourth Proportional to 1,225,588.14, 1,838,383.02 and 384,205.50

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Solution

The fourth proportional to 1,225,588.14, 1,838,383.02 and 384,205.50 is: 576,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,588.14 : 1,838,383.02 = 384,205.50 : x
  2. Step 2: Convert to fraction form
    1,225,588.14/1,838,383.02 = 384,205.50/x
  3. Step 3: Cross multiply
    1,225,588.14x = 1,838,383.02 × 384,205.50
  4. Step 4: Simplify right side
    1,225,588.14x = 706,316,867,390.61
  5. Step 5: Solve for x
    x = 706,316,867,390.61/1,225,588.14
  6. Step 6: Final answer
    x = 576,308.50

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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.