Home / 700,589.55-1,047,045.69-511,448.21

Finding the Fourth Proportional to 700,589.55, 1,047,045.69 and 511,448.21

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Solution

The fourth proportional to 700,589.55, 1,047,045.69 and 511,448.21 is: 764,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,589.55 : 1,047,045.69 = 511,448.21 : x
  2. Step 2: Convert to fraction form
    700,589.55/1,047,045.69 = 511,448.21/x
  3. Step 3: Cross multiply
    700,589.55x = 1,047,045.69 × 511,448.21
  4. Step 4: Simplify right side
    700,589.55x = 535,509,638,703.49
  5. Step 5: Solve for x
    x = 535,509,638,703.49/700,589.55
  6. Step 6: Final answer
    x = 764,370.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.