Home / 877,219.14-1,210,762.38-570,754.86

Finding the Fourth Proportional to 877,219.14, 1,210,762.38 and 570,754.86

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Solution

The fourth proportional to 877,219.14, 1,210,762.38 and 570,754.86 is: 787,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,219.14 : 1,210,762.38 = 570,754.86 : x
  2. Step 2: Convert to fraction form
    877,219.14/1,210,762.38 = 570,754.86/x
  3. Step 3: Cross multiply
    877,219.14x = 1,210,762.38 × 570,754.86
  4. Step 4: Simplify right side
    877,219.14x = 691,048,512,690.17
  5. Step 5: Solve for x
    x = 691,048,512,690.17/877,219.14
  6. Step 6: Final answer
    x = 787,771.81

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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.