Home / 1,354,681.78-2,030,600.13-455,811.46

Finding the Fourth Proportional to 1,354,681.78, 2,030,600.13 and 455,811.46

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Solution

The fourth proportional to 1,354,681.78, 2,030,600.13 and 455,811.46 is: 683,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,681.78 : 2,030,600.13 = 455,811.46 : x
  2. Step 2: Convert to fraction form
    1,354,681.78/2,030,600.13 = 455,811.46/x
  3. Step 3: Cross multiply
    1,354,681.78x = 2,030,600.13 × 455,811.46
  4. Step 4: Simplify right side
    1,354,681.78x = 925,570,809,931.49
  5. Step 5: Solve for x
    x = 925,570,809,931.49/1,354,681.78
  6. Step 6: Final answer
    x = 683,238.55

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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.