Home / 974,073.60-1,461,340.80-309,225.60

Finding the Fourth Proportional to 974,073.60, 1,461,340.80 and 309,225.60

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Solution

The fourth proportional to 974,073.60, 1,461,340.80 and 309,225.60 is: 463,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,073.60 : 1,461,340.80 = 309,225.60 : x
  2. Step 2: Convert to fraction form
    974,073.60/1,461,340.80 = 309,225.60/x
  3. Step 3: Cross multiply
    974,073.60x = 1,461,340.80 × 309,225.60
  4. Step 4: Simplify right side
    974,073.60x = 451,883,985,684.48
  5. Step 5: Solve for x
    x = 451,883,985,684.48/974,073.60
  6. Step 6: Final answer
    x = 463,911.54

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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.