Home / 914,439.81-1,262,364.53-609,024.45

Finding the Fourth Proportional to 914,439.81, 1,262,364.53 and 609,024.45

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Solution

The fourth proportional to 914,439.81, 1,262,364.53 and 609,024.45 is: 840,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,439.81 : 1,262,364.53 = 609,024.45 : x
  2. Step 2: Convert to fraction form
    914,439.81/1,262,364.53 = 609,024.45/x
  3. Step 3: Cross multiply
    914,439.81x = 1,262,364.53 × 609,024.45
  4. Step 4: Simplify right side
    914,439.81x = 768,810,860,537.64
  5. Step 5: Solve for x
    x = 768,810,860,537.64/914,439.81
  6. Step 6: Final answer
    x = 840,745.18

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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.