Home / 761,455.84-1,050,675.87-434,619.62

Finding the Fourth Proportional to 761,455.84, 1,050,675.87 and 434,619.62

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Solution

The fourth proportional to 761,455.84, 1,050,675.87 and 434,619.62 is: 599,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,455.84 : 1,050,675.87 = 434,619.62 : x
  2. Step 2: Convert to fraction form
    761,455.84/1,050,675.87 = 434,619.62/x
  3. Step 3: Cross multiply
    761,455.84x = 1,050,675.87 × 434,619.62
  4. Step 4: Simplify right side
    761,455.84x = 456,644,353,589.10
  5. Step 5: Solve for x
    x = 456,644,353,589.10/761,455.84
  6. Step 6: Final answer
    x = 599,699.06

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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.