Home / 828,603.95-1,143,533.30-506,375.69

Finding the Fourth Proportional to 828,603.95, 1,143,533.30 and 506,375.69

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Solution

The fourth proportional to 828,603.95, 1,143,533.30 and 506,375.69 is: 698,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,603.95 : 1,143,533.30 = 506,375.69 : x
  2. Step 2: Convert to fraction form
    828,603.95/1,143,533.30 = 506,375.69/x
  3. Step 3: Cross multiply
    828,603.95x = 1,143,533.30 × 506,375.69
  4. Step 4: Simplify right side
    828,603.95x = 579,057,455,575.93
  5. Step 5: Solve for x
    x = 579,057,455,575.93/828,603.95
  6. Step 6: Final answer
    x = 698,835.02

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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.