Home / 870,143.58-1,201,018.88-594,613.02

Finding the Fourth Proportional to 870,143.58, 1,201,018.88 and 594,613.02

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Solution

The fourth proportional to 870,143.58, 1,201,018.88 and 594,613.02 is: 820,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,143.58 : 1,201,018.88 = 594,613.02 : x
  2. Step 2: Convert to fraction form
    870,143.58/1,201,018.88 = 594,613.02/x
  3. Step 3: Cross multiply
    870,143.58x = 1,201,018.88 × 594,613.02
  4. Step 4: Simplify right side
    870,143.58x = 714,141,460,340.75
  5. Step 5: Solve for x
    x = 714,141,460,340.75/870,143.58
  6. Step 6: Final answer
    x = 820,716.81

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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.