Home / 570,153.39-786,758.25-340,664.97

Finding the Fourth Proportional to 570,153.39, 786,758.25 and 340,664.97

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Solution

The fourth proportional to 570,153.39, 786,758.25 and 340,664.97 is: 470,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,153.39 : 786,758.25 = 340,664.97 : x
  2. Step 2: Convert to fraction form
    570,153.39/786,758.25 = 340,664.97/x
  3. Step 3: Cross multiply
    570,153.39x = 786,758.25 × 340,664.97
  4. Step 4: Simplify right side
    570,153.39x = 268,020,975,633.50
  5. Step 5: Solve for x
    x = 268,020,975,633.50/570,153.39
  6. Step 6: Final answer
    x = 470,085.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.