Home / 705,426.80-1,058,831.40-350,841.20

Finding the Fourth Proportional to 705,426.80, 1,058,831.40 and 350,841.20

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Solution

The fourth proportional to 705,426.80, 1,058,831.40 and 350,841.20 is: 526,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,426.80 : 1,058,831.40 = 350,841.20 : x
  2. Step 2: Convert to fraction form
    705,426.80/1,058,831.40 = 350,841.20/x
  3. Step 3: Cross multiply
    705,426.80x = 1,058,831.40 × 350,841.20
  4. Step 4: Simplify right side
    705,426.80x = 371,481,678,973.68
  5. Step 5: Solve for x
    x = 371,481,678,973.68/705,426.80
  6. Step 6: Final answer
    x = 526,605.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.