Home / 838,912.16-1,157,951.76-570,795.68

Finding the Fourth Proportional to 838,912.16, 1,157,951.76 and 570,795.68

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Solution

The fourth proportional to 838,912.16, 1,157,951.76 and 570,795.68 is: 787,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,912.16 : 1,157,951.76 = 570,795.68 : x
  2. Step 2: Convert to fraction form
    838,912.16/1,157,951.76 = 570,795.68/x
  3. Step 3: Cross multiply
    838,912.16x = 1,157,951.76 × 570,795.68
  4. Step 4: Simplify right side
    838,912.16x = 660,953,862,256.40
  5. Step 5: Solve for x
    x = 660,953,862,256.40/838,912.16
  6. Step 6: Final answer
    x = 787,870.17

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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.