Home / 905,263.14-1,248,743.46-565,140.90

Finding the Fourth Proportional to 905,263.14, 1,248,743.46 and 565,140.90

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Solution

The fourth proportional to 905,263.14, 1,248,743.46 and 565,140.90 is: 779,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,263.14 : 1,248,743.46 = 565,140.90 : x
  2. Step 2: Convert to fraction form
    905,263.14/1,248,743.46 = 565,140.90/x
  3. Step 3: Cross multiply
    905,263.14x = 1,248,743.46 × 565,140.90
  4. Step 4: Simplify right side
    905,263.14x = 705,716,002,853.51
  5. Step 5: Solve for x
    x = 705,716,002,853.51/905,263.14
  6. Step 6: Final answer
    x = 779,570.02

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Double scale
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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.