Home / 591,386.40-887,079.60-404,762.40

Finding the Fourth Proportional to 591,386.40, 887,079.60 and 404,762.40

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Solution

The fourth proportional to 591,386.40, 887,079.60 and 404,762.40 is: 607,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,386.40 : 887,079.60 = 404,762.40 : x
  2. Step 2: Convert to fraction form
    591,386.40/887,079.60 = 404,762.40/x
  3. Step 3: Cross multiply
    591,386.40x = 887,079.60 × 404,762.40
  4. Step 4: Simplify right side
    591,386.40x = 359,056,467,887.04
  5. Step 5: Solve for x
    x = 359,056,467,887.04/591,386.40
  6. Step 6: Final answer
    x = 607,143.60

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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.