Home / 829,302.56-1,144,790.63-557,528.07

Finding the Fourth Proportional to 829,302.56, 1,144,790.63 and 557,528.07

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Solution

The fourth proportional to 829,302.56, 1,144,790.63 and 557,528.07 is: 769,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,302.56 : 1,144,790.63 = 557,528.07 : x
  2. Step 2: Convert to fraction form
    829,302.56/1,144,790.63 = 557,528.07/x
  3. Step 3: Cross multiply
    829,302.56x = 1,144,790.63 × 557,528.07
  4. Step 4: Simplify right side
    829,302.56x = 638,252,907,710.34
  5. Step 5: Solve for x
    x = 638,252,907,710.34/829,302.56
  6. Step 6: Final answer
    x = 769,626.12

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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.