Home / 771,060.67-1,064,063.59-431,528.92

Finding the Fourth Proportional to 771,060.67, 1,064,063.59 and 431,528.92

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Solution

The fourth proportional to 771,060.67, 1,064,063.59 and 431,528.92 is: 595,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,060.67 : 1,064,063.59 = 431,528.92 : x
  2. Step 2: Convert to fraction form
    771,060.67/1,064,063.59 = 431,528.92/x
  3. Step 3: Cross multiply
    771,060.67x = 1,064,063.59 × 431,528.92
  4. Step 4: Simplify right side
    771,060.67x = 459,174,208,065.04
  5. Step 5: Solve for x
    x = 459,174,208,065.04/771,060.67
  6. Step 6: Final answer
    x = 595,509.83

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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.