Home / 970,168.86-1,455,253.38-371,313.72

Finding the Fourth Proportional to 970,168.86, 1,455,253.38 and 371,313.72

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Solution

The fourth proportional to 970,168.86, 1,455,253.38 and 371,313.72 is: 556,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,168.86 : 1,455,253.38 = 371,313.72 : x
  2. Step 2: Convert to fraction form
    970,168.86/1,455,253.38 = 371,313.72/x
  3. Step 3: Cross multiply
    970,168.86x = 1,455,253.38 × 371,313.72
  4. Step 4: Simplify right side
    970,168.86x = 540,355,546,070.37
  5. Step 5: Solve for x
    x = 540,355,546,070.37/970,168.86
  6. Step 6: Final answer
    x = 556,970.61

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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.