Home / 291,156.48-402,014.94-286,506.34

Finding the Fourth Proportional to 291,156.48, 402,014.94 and 286,506.34

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Solution

The fourth proportional to 291,156.48, 402,014.94 and 286,506.34 is: 395,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,156.48 : 402,014.94 = 286,506.34 : x
  2. Step 2: Convert to fraction form
    291,156.48/402,014.94 = 286,506.34/x
  3. Step 3: Cross multiply
    291,156.48x = 402,014.94 × 286,506.34
  4. Step 4: Simplify right side
    291,156.48x = 115,179,829,084.72
  5. Step 5: Solve for x
    x = 115,179,829,084.72/291,156.48
  6. Step 6: Final answer
    x = 395,594.25

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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.