Home / 1,386,270.93-1,913,032.77-774,432.46

Finding the Fourth Proportional to 1,386,270.93, 1,913,032.77 and 774,432.46

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Solution

The fourth proportional to 1,386,270.93, 1,913,032.77 and 774,432.46 is: 1,068,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,270.93 : 1,913,032.77 = 774,432.46 : x
  2. Step 2: Convert to fraction form
    1,386,270.93/1,913,032.77 = 774,432.46/x
  3. Step 3: Cross multiply
    1,386,270.93x = 1,913,032.77 × 774,432.46
  4. Step 4: Simplify right side
    1,386,270.93x = 1,481,514,674,131.71
  5. Step 5: Solve for x
    x = 1,481,514,674,131.71/1,386,270.93
  6. Step 6: Final answer
    x = 1,068,705.00

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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.