Home / 1,357,809.84-2,033,612.28-648,334.80

Finding the Fourth Proportional to 1,357,809.84, 2,033,612.28 and 648,334.80

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Solution

The fourth proportional to 1,357,809.84, 2,033,612.28 and 648,334.80 is: 971,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,809.84 : 2,033,612.28 = 648,334.80 : x
  2. Step 2: Convert to fraction form
    1,357,809.84/2,033,612.28 = 648,334.80/x
  3. Step 3: Cross multiply
    1,357,809.84x = 2,033,612.28 × 648,334.80
  4. Step 4: Simplify right side
    1,357,809.84x = 1,318,461,610,831.34
  5. Step 5: Solve for x
    x = 1,318,461,610,831.34/1,357,809.84
  6. Step 6: Final answer
    x = 971,020.81

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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.