Home / 816,606.96-1,126,916.40-454,019.28

Finding the Fourth Proportional to 816,606.96, 1,126,916.40 and 454,019.28

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Solution

The fourth proportional to 816,606.96, 1,126,916.40 and 454,019.28 is: 626,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,606.96 : 1,126,916.40 = 454,019.28 : x
  2. Step 2: Convert to fraction form
    816,606.96/1,126,916.40 = 454,019.28/x
  3. Step 3: Cross multiply
    816,606.96x = 1,126,916.40 × 454,019.28
  4. Step 4: Simplify right side
    816,606.96x = 511,641,772,548.19
  5. Step 5: Solve for x
    x = 511,641,772,548.19/816,606.96
  6. Step 6: Final answer
    x = 626,545.94

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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.