Home / 870,562.69-1,201,853.21-609,320.07

Finding the Fourth Proportional to 870,562.69, 1,201,853.21 and 609,320.07

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Solution

The fourth proportional to 870,562.69, 1,201,853.21 and 609,320.07 is: 841,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,562.69 : 1,201,853.21 = 609,320.07 : x
  2. Step 2: Convert to fraction form
    870,562.69/1,201,853.21 = 609,320.07/x
  3. Step 3: Cross multiply
    870,562.69x = 1,201,853.21 × 609,320.07
  4. Step 4: Simplify right side
    870,562.69x = 732,313,279,857.21
  5. Step 5: Solve for x
    x = 732,313,279,857.21/870,562.69
  6. Step 6: Final answer
    x = 841,195.34

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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.