Home / 757,488.48-1,045,333.38-417,956.76

Finding the Fourth Proportional to 757,488.48, 1,045,333.38 and 417,956.76

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Solution

The fourth proportional to 757,488.48, 1,045,333.38 and 417,956.76 is: 576,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,488.48 : 1,045,333.38 = 417,956.76 : x
  2. Step 2: Convert to fraction form
    757,488.48/1,045,333.38 = 417,956.76/x
  3. Step 3: Cross multiply
    757,488.48x = 1,045,333.38 × 417,956.76
  4. Step 4: Simplify right side
    757,488.48x = 436,904,152,624.65
  5. Step 5: Solve for x
    x = 436,904,152,624.65/757,488.48
  6. Step 6: Final answer
    x = 576,779.93

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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.