Home / 877,553.70-1,316,330.55-759,455.70

Finding the Fourth Proportional to 877,553.70, 1,316,330.55 and 759,455.70

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Solution

The fourth proportional to 877,553.70, 1,316,330.55 and 759,455.70 is: 1,139,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,553.70 : 1,316,330.55 = 759,455.70 : x
  2. Step 2: Convert to fraction form
    877,553.70/1,316,330.55 = 759,455.70/x
  3. Step 3: Cross multiply
    877,553.70x = 1,316,330.55 × 759,455.70
  4. Step 4: Simplify right side
    877,553.70x = 999,694,739,281.64
  5. Step 5: Solve for x
    x = 999,694,739,281.64/877,553.70
  6. Step 6: Final answer
    x = 1,139,183.55

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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.