Home / 1,141,530.72-1,712,312.81-542,553

Finding the Fourth Proportional to 1,141,530.72, 1,712,312.81 and 542,553

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Solution

The fourth proportional to 1,141,530.72, 1,712,312.81 and 542,553 is: 813,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,530.72 : 1,712,312.81 = 542,553 : x
  2. Step 2: Convert to fraction form
    1,141,530.72/1,712,312.81 = 542,553/x
  3. Step 3: Cross multiply
    1,141,530.72x = 1,712,312.81 × 542,553
  4. Step 4: Simplify right side
    1,141,530.72x = 929,020,452,003.93
  5. Step 5: Solve for x
    x = 929,020,452,003.93/1,141,530.72
  6. Step 6: Final answer
    x = 813,837.45

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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.