Home / 1,219,303.23-1,830,089.65-620,712.52

Finding the Fourth Proportional to 1,219,303.23, 1,830,089.65 and 620,712.52

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Solution

The fourth proportional to 1,219,303.23, 1,830,089.65 and 620,712.52 is: 931,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,303.23 : 1,830,089.65 = 620,712.52 : x
  2. Step 2: Convert to fraction form
    1,219,303.23/1,830,089.65 = 620,712.52/x
  3. Step 3: Cross multiply
    1,219,303.23x = 1,830,089.65 × 620,712.52
  4. Step 4: Simplify right side
    1,219,303.23x = 1,135,959,553,514.25
  5. Step 5: Solve for x
    x = 1,135,959,553,514.25/1,219,303.23
  6. Step 6: Final answer
    x = 931,646.48

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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.