Home / 1,070,831.70-1,607,673.06-621,874.80

Finding the Fourth Proportional to 1,070,831.70, 1,607,673.06 and 621,874.80

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Solution

The fourth proportional to 1,070,831.70, 1,607,673.06 and 621,874.80 is: 933,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,831.70 : 1,607,673.06 = 621,874.80 : x
  2. Step 2: Convert to fraction form
    1,070,831.70/1,607,673.06 = 621,874.80/x
  3. Step 3: Cross multiply
    1,070,831.70x = 1,607,673.06 × 621,874.80
  4. Step 4: Simplify right side
    1,070,831.70x = 999,771,362,652.89
  5. Step 5: Solve for x
    x = 999,771,362,652.89/1,070,831.70
  6. Step 6: Final answer
    x = 933,640.05

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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.