Home / 869,113.60-1,303,281.60-336,457.60

Finding the Fourth Proportional to 869,113.60, 1,303,281.60 and 336,457.60

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Solution

The fourth proportional to 869,113.60, 1,303,281.60 and 336,457.60 is: 504,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,113.60 : 1,303,281.60 = 336,457.60 : x
  2. Step 2: Convert to fraction form
    869,113.60/1,303,281.60 = 336,457.60/x
  3. Step 3: Cross multiply
    869,113.60x = 1,303,281.60 × 336,457.60
  4. Step 4: Simplify right side
    869,113.60x = 438,498,999,260.16
  5. Step 5: Solve for x
    x = 438,498,999,260.16/869,113.60
  6. Step 6: Final answer
    x = 504,535.88

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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.