Home / 1,132,603.40-1,698,905.10-384,649.40

Finding the Fourth Proportional to 1,132,603.40, 1,698,905.10 and 384,649.40

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Solution

The fourth proportional to 1,132,603.40, 1,698,905.10 and 384,649.40 is: 576,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,603.40 : 1,698,905.10 = 384,649.40 : x
  2. Step 2: Convert to fraction form
    1,132,603.40/1,698,905.10 = 384,649.40/x
  3. Step 3: Cross multiply
    1,132,603.40x = 1,698,905.10 × 384,649.40
  4. Step 4: Simplify right side
    1,132,603.40x = 653,482,827,371.94
  5. Step 5: Solve for x
    x = 653,482,827,371.94/1,132,603.40
  6. Step 6: Final answer
    x = 576,974.10

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Double scale
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Similar ratio
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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.