Home / 753,328.16-1,039,158.56-451,347.20

Finding the Fourth Proportional to 753,328.16, 1,039,158.56 and 451,347.20

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Solution

The fourth proportional to 753,328.16, 1,039,158.56 and 451,347.20 is: 622,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,328.16 : 1,039,158.56 = 451,347.20 : x
  2. Step 2: Convert to fraction form
    753,328.16/1,039,158.56 = 451,347.20/x
  3. Step 3: Cross multiply
    753,328.16x = 1,039,158.56 × 451,347.20
  4. Step 4: Simplify right side
    753,328.16x = 469,021,306,412.03
  5. Step 5: Solve for x
    x = 469,021,306,412.03/753,328.16
  6. Step 6: Final answer
    x = 622,598.93

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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.