Home / 1,152,273.12-1,590,128.14-636,026.95

Finding the Fourth Proportional to 1,152,273.12, 1,590,128.14 and 636,026.95

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Solution

The fourth proportional to 1,152,273.12, 1,590,128.14 and 636,026.95 is: 877,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,273.12 : 1,590,128.14 = 636,026.95 : x
  2. Step 2: Convert to fraction form
    1,152,273.12/1,590,128.14 = 636,026.95/x
  3. Step 3: Cross multiply
    1,152,273.12x = 1,590,128.14 × 636,026.95
  4. Step 4: Simplify right side
    1,152,273.12x = 1,011,364,344,086.34
  5. Step 5: Solve for x
    x = 1,011,364,344,086.34/1,152,273.12
  6. Step 6: Final answer
    x = 877,712.35

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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.