Home / 772,929.29-1,158,833.40-519,581.34

Finding the Fourth Proportional to 772,929.29, 1,158,833.40 and 519,581.34

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Solution

The fourth proportional to 772,929.29, 1,158,833.40 and 519,581.34 is: 778,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,929.29 : 1,158,833.40 = 519,581.34 : x
  2. Step 2: Convert to fraction form
    772,929.29/1,158,833.40 = 519,581.34/x
  3. Step 3: Cross multiply
    772,929.29x = 1,158,833.40 × 519,581.34
  4. Step 4: Simplify right side
    772,929.29x = 602,108,210,808.76
  5. Step 5: Solve for x
    x = 602,108,210,808.76/772,929.29
  6. Step 6: Final answer
    x = 778,995.21

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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.