Home / 644,655.03-965,407.50-556,475.19

Finding the Fourth Proportional to 644,655.03, 965,407.50 and 556,475.19

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Solution

The fourth proportional to 644,655.03, 965,407.50 and 556,475.19 is: 833,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,655.03 : 965,407.50 = 556,475.19 : x
  2. Step 2: Convert to fraction form
    644,655.03/965,407.50 = 556,475.19/x
  3. Step 3: Cross multiply
    644,655.03x = 965,407.50 × 556,475.19
  4. Step 4: Simplify right side
    644,655.03x = 537,225,321,989.93
  5. Step 5: Solve for x
    x = 537,225,321,989.93/644,655.03
  6. Step 6: Final answer
    x = 833,353.18

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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.