Home / 825,699.53-1,139,374.23-463,048.76

Finding the Fourth Proportional to 825,699.53, 1,139,374.23 and 463,048.76

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Solution

The fourth proportional to 825,699.53, 1,139,374.23 and 463,048.76 is: 638,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,699.53 : 1,139,374.23 = 463,048.76 : x
  2. Step 2: Convert to fraction form
    825,699.53/1,139,374.23 = 463,048.76/x
  3. Step 3: Cross multiply
    825,699.53x = 1,139,374.23 × 463,048.76
  4. Step 4: Simplify right side
    825,699.53x = 527,585,824,377.46
  5. Step 5: Solve for x
    x = 527,585,824,377.46/825,699.53
  6. Step 6: Final answer
    x = 638,956.19

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Double scale
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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.