Home / 761,049.58-1,050,265.38-434,356.03

Finding the Fourth Proportional to 761,049.58, 1,050,265.38 and 434,356.03

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Solution

The fourth proportional to 761,049.58, 1,050,265.38 and 434,356.03 is: 599,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,049.58 : 1,050,265.38 = 434,356.03 : x
  2. Step 2: Convert to fraction form
    761,049.58/1,050,265.38 = 434,356.03/x
  3. Step 3: Cross multiply
    761,049.58x = 1,050,265.38 × 434,356.03
  4. Step 4: Simplify right side
    761,049.58x = 456,189,100,903.24
  5. Step 5: Solve for x
    x = 456,189,100,903.24/761,049.58
  6. Step 6: Final answer
    x = 599,421.00

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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.