Home / 769,013.46-1,153,547.88-289,197.27

Finding the Fourth Proportional to 769,013.46, 1,153,547.88 and 289,197.27

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Solution

The fourth proportional to 769,013.46, 1,153,547.88 and 289,197.27 is: 433,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,013.46 : 1,153,547.88 = 289,197.27 : x
  2. Step 2: Convert to fraction form
    769,013.46/1,153,547.88 = 289,197.27/x
  3. Step 3: Cross multiply
    769,013.46x = 1,153,547.88 × 289,197.27
  4. Step 4: Simplify right side
    769,013.46x = 333,602,897,710.29
  5. Step 5: Solve for x
    x = 333,602,897,710.29/769,013.46
  6. Step 6: Final answer
    x = 433,806.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.