Home / 497,296.33-686,088.83-325,312.27

Finding the Fourth Proportional to 497,296.33, 686,088.83 and 325,312.27

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Solution

The fourth proportional to 497,296.33, 686,088.83 and 325,312.27 is: 448,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,296.33 : 686,088.83 = 325,312.27 : x
  2. Step 2: Convert to fraction form
    497,296.33/686,088.83 = 325,312.27/x
  3. Step 3: Cross multiply
    497,296.33x = 686,088.83 × 325,312.27
  4. Step 4: Simplify right side
    497,296.33x = 223,193,113,807.00
  5. Step 5: Solve for x
    x = 223,193,113,807.00/497,296.33
  6. Step 6: Final answer
    x = 448,813.11

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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.