Home / 346,417.10-519,625.65-262,436.30

Finding the Fourth Proportional to 346,417.10, 519,625.65 and 262,436.30

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Solution

The fourth proportional to 346,417.10, 519,625.65 and 262,436.30 is: 393,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,417.10 : 519,625.65 = 262,436.30 : x
  2. Step 2: Convert to fraction form
    346,417.10/519,625.65 = 262,436.30/x
  3. Step 3: Cross multiply
    346,417.10x = 519,625.65 × 262,436.30
  4. Step 4: Simplify right side
    346,417.10x = 136,368,632,971.10
  5. Step 5: Solve for x
    x = 136,368,632,971.10/346,417.10
  6. Step 6: Final answer
    x = 393,654.45

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1.5x scale

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.