Home / 1,104,012.40-1,656,018.60-345,917.20

Finding the Fourth Proportional to 1,104,012.40, 1,656,018.60 and 345,917.20

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Solution

The fourth proportional to 1,104,012.40, 1,656,018.60 and 345,917.20 is: 518,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,012.40 : 1,656,018.60 = 345,917.20 : x
  2. Step 2: Convert to fraction form
    1,104,012.40/1,656,018.60 = 345,917.20/x
  3. Step 3: Cross multiply
    1,104,012.40x = 1,656,018.60 × 345,917.20
  4. Step 4: Simplify right side
    1,104,012.40x = 572,845,317,259.92
  5. Step 5: Solve for x
    x = 572,845,317,259.92/1,104,012.40
  6. Step 6: Final answer
    x = 518,875.80

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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.