Home / 581,038.48-801,913.80-326,409.04

Finding the Fourth Proportional to 581,038.48, 801,913.80 and 326,409.04

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Solution

The fourth proportional to 581,038.48, 801,913.80 and 326,409.04 is: 450,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,038.48 : 801,913.80 = 326,409.04 : x
  2. Step 2: Convert to fraction form
    581,038.48/801,913.80 = 326,409.04/x
  3. Step 3: Cross multiply
    581,038.48x = 801,913.80 × 326,409.04
  4. Step 4: Simplify right side
    581,038.48x = 261,751,913,620.75
  5. Step 5: Solve for x
    x = 261,751,913,620.75/581,038.48
  6. Step 6: Final answer
    x = 450,489.81

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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.