Home / 686,703.30-1,030,897.35-433,983.30

Finding the Fourth Proportional to 686,703.30, 1,030,897.35 and 433,983.30

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Solution

The fourth proportional to 686,703.30, 1,030,897.35 and 433,983.30 is: 651,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,703.30 : 1,030,897.35 = 433,983.30 : x
  2. Step 2: Convert to fraction form
    686,703.30/1,030,897.35 = 433,983.30/x
  3. Step 3: Cross multiply
    686,703.30x = 1,030,897.35 × 433,983.30
  4. Step 4: Simplify right side
    686,703.30x = 447,392,233,914.26
  5. Step 5: Solve for x
    x = 447,392,233,914.26/686,703.30
  6. Step 6: Final answer
    x = 651,507.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.