Home / 762,570.52-1,052,344.11-423,038.77

Finding the Fourth Proportional to 762,570.52, 1,052,344.11 and 423,038.77

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Solution

The fourth proportional to 762,570.52, 1,052,344.11 and 423,038.77 is: 583,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,570.52 : 1,052,344.11 = 423,038.77 : x
  2. Step 2: Convert to fraction form
    762,570.52/1,052,344.11 = 423,038.77/x
  3. Step 3: Cross multiply
    762,570.52x = 1,052,344.11 × 423,038.77
  4. Step 4: Simplify right side
    762,570.52x = 445,182,357,911.15
  5. Step 5: Solve for x
    x = 445,182,357,911.15/762,570.52
  6. Step 6: Final answer
    x = 583,791.72

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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.