Home / 870,215.58-1,200,833.64-483,053.40

Finding the Fourth Proportional to 870,215.58, 1,200,833.64 and 483,053.40

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Solution

The fourth proportional to 870,215.58, 1,200,833.64 and 483,053.40 is: 666,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,215.58 : 1,200,833.64 = 483,053.40 : x
  2. Step 2: Convert to fraction form
    870,215.58/1,200,833.64 = 483,053.40/x
  3. Step 3: Cross multiply
    870,215.58x = 1,200,833.64 × 483,053.40
  4. Step 4: Simplify right side
    870,215.58x = 580,066,772,636.38
  5. Step 5: Solve for x
    x = 580,066,772,636.38/870,215.58
  6. Step 6: Final answer
    x = 666,578.24

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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.