Home / 899,547.36-1,241,446.01-512,379.11

Finding the Fourth Proportional to 899,547.36, 1,241,446.01 and 512,379.11

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Solution

The fourth proportional to 899,547.36, 1,241,446.01 and 512,379.11 is: 707,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,547.36 : 1,241,446.01 = 512,379.11 : x
  2. Step 2: Convert to fraction form
    899,547.36/1,241,446.01 = 512,379.11/x
  3. Step 3: Cross multiply
    899,547.36x = 1,241,446.01 × 512,379.11
  4. Step 4: Simplify right side
    899,547.36x = 636,090,992,947.73
  5. Step 5: Solve for x
    x = 636,090,992,947.73/899,547.36
  6. Step 6: Final answer
    x = 707,123.41

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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.