Home / 927,153.51-1,279,325.69-540,032.64

Finding the Fourth Proportional to 927,153.51, 1,279,325.69 and 540,032.64

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Solution

The fourth proportional to 927,153.51, 1,279,325.69 and 540,032.64 is: 745,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,153.51 : 1,279,325.69 = 540,032.64 : x
  2. Step 2: Convert to fraction form
    927,153.51/1,279,325.69 = 540,032.64/x
  3. Step 3: Cross multiply
    927,153.51x = 1,279,325.69 × 540,032.64
  4. Step 4: Simplify right side
    927,153.51x = 690,877,620,693.73
  5. Step 5: Solve for x
    x = 690,877,620,693.73/927,153.51
  6. Step 6: Final answer
    x = 745,159.91

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1.5x scale

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.