Home / 1,640,255.60-2,460,383.40-458,303.60

Finding the Fourth Proportional to 1,640,255.60, 2,460,383.40 and 458,303.60

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Solution

The fourth proportional to 1,640,255.60, 2,460,383.40 and 458,303.60 is: 687,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,255.60 : 2,460,383.40 = 458,303.60 : x
  2. Step 2: Convert to fraction form
    1,640,255.60/2,460,383.40 = 458,303.60/x
  3. Step 3: Cross multiply
    1,640,255.60x = 2,460,383.40 × 458,303.60
  4. Step 4: Simplify right side
    1,640,255.60x = 1,127,602,569,600.24
  5. Step 5: Solve for x
    x = 1,127,602,569,600.24/1,640,255.60
  6. Step 6: Final answer
    x = 687,455.40

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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.