Home / 370,970.10-556,455.15-346,086.90

Finding the Fourth Proportional to 370,970.10, 556,455.15 and 346,086.90

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Solution

The fourth proportional to 370,970.10, 556,455.15 and 346,086.90 is: 519,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,970.10 : 556,455.15 = 346,086.90 : x
  2. Step 2: Convert to fraction form
    370,970.10/556,455.15 = 346,086.90/x
  3. Step 3: Cross multiply
    370,970.10x = 556,455.15 × 346,086.90
  4. Step 4: Simplify right side
    370,970.10x = 192,581,837,852.54
  5. Step 5: Solve for x
    x = 192,581,837,852.54/370,970.10
  6. Step 6: Final answer
    x = 519,130.35

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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.