Home / 808,235.16-1,115,324.51-459,330.15

Finding the Fourth Proportional to 808,235.16, 1,115,324.51 and 459,330.15

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Solution

The fourth proportional to 808,235.16, 1,115,324.51 and 459,330.15 is: 633,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,235.16 : 1,115,324.51 = 459,330.15 : x
  2. Step 2: Convert to fraction form
    808,235.16/1,115,324.51 = 459,330.15/x
  3. Step 3: Cross multiply
    808,235.16x = 1,115,324.51 × 459,330.15
  4. Step 4: Simplify right side
    808,235.16x = 512,302,166,603.70
  5. Step 5: Solve for x
    x = 512,302,166,603.70/808,235.16
  6. Step 6: Final answer
    x = 633,852.86

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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.