Home / 805,307.52-1,111,234.08-483,030.72

Finding the Fourth Proportional to 805,307.52, 1,111,234.08 and 483,030.72

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Solution

The fourth proportional to 805,307.52, 1,111,234.08 and 483,030.72 is: 666,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,307.52 : 1,111,234.08 = 483,030.72 : x
  2. Step 2: Convert to fraction form
    805,307.52/1,111,234.08 = 483,030.72/x
  3. Step 3: Cross multiply
    805,307.52x = 1,111,234.08 × 483,030.72
  4. Step 4: Simplify right side
    805,307.52x = 536,760,197,750.94
  5. Step 5: Solve for x
    x = 536,760,197,750.94/805,307.52
  6. Step 6: Final answer
    x = 666,528.23

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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.