Home / 455,314.02-627,749.22-373,340.24

Finding the Fourth Proportional to 455,314.02, 627,749.22 and 373,340.24

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Solution

The fourth proportional to 455,314.02, 627,749.22 and 373,340.24 is: 514,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,314.02 : 627,749.22 = 373,340.24 : x
  2. Step 2: Convert to fraction form
    455,314.02/627,749.22 = 373,340.24/x
  3. Step 3: Cross multiply
    455,314.02x = 627,749.22 × 373,340.24
  4. Step 4: Simplify right side
    455,314.02x = 234,364,044,454.61
  5. Step 5: Solve for x
    x = 234,364,044,454.61/455,314.02
  6. Step 6: Final answer
    x = 514,730.57

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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.