Home / 1,618,563.60-2,427,845.40-553,640.40

Finding the Fourth Proportional to 1,618,563.60, 2,427,845.40 and 553,640.40

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Solution

The fourth proportional to 1,618,563.60, 2,427,845.40 and 553,640.40 is: 830,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,563.60 : 2,427,845.40 = 553,640.40 : x
  2. Step 2: Convert to fraction form
    1,618,563.60/2,427,845.40 = 553,640.40/x
  3. Step 3: Cross multiply
    1,618,563.60x = 2,427,845.40 × 553,640.40
  4. Step 4: Simplify right side
    1,618,563.60x = 1,344,153,298,394.16
  5. Step 5: Solve for x
    x = 1,344,153,298,394.16/1,618,563.60
  6. Step 6: Final answer
    x = 830,460.60

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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.