Home / 761,049.19-1,050,264.85-434,355.65

Finding the Fourth Proportional to 761,049.19, 1,050,264.85 and 434,355.65

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Solution

The fourth proportional to 761,049.19, 1,050,264.85 and 434,355.65 is: 599,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,049.19 : 1,050,264.85 = 434,355.65 : x
  2. Step 2: Convert to fraction form
    761,049.19/1,050,264.85 = 434,355.65/x
  3. Step 3: Cross multiply
    761,049.19x = 1,050,264.85 × 434,355.65
  4. Step 4: Simplify right side
    761,049.19x = 456,188,470,009.60
  5. Step 5: Solve for x
    x = 456,188,470,009.60/761,049.19
  6. Step 6: Final answer
    x = 599,420.48

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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.