Home / 919,565.64-1,268,810.40-537,518.52

Finding the Fourth Proportional to 919,565.64, 1,268,810.40 and 537,518.52

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Solution

The fourth proportional to 919,565.64, 1,268,810.40 and 537,518.52 is: 741,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,565.64 : 1,268,810.40 = 537,518.52 : x
  2. Step 2: Convert to fraction form
    919,565.64/1,268,810.40 = 537,518.52/x
  3. Step 3: Cross multiply
    919,565.64x = 1,268,810.40 × 537,518.52
  4. Step 4: Simplify right side
    919,565.64x = 682,009,088,368.61
  5. Step 5: Solve for x
    x = 682,009,088,368.61/919,565.64
  6. Step 6: Final answer
    x = 741,664.39

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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.