Home / 838,804.95-1,157,564.01-456,831.43

Finding the Fourth Proportional to 838,804.95, 1,157,564.01 and 456,831.43

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Solution

The fourth proportional to 838,804.95, 1,157,564.01 and 456,831.43 is: 630,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,804.95 : 1,157,564.01 = 456,831.43 : x
  2. Step 2: Convert to fraction form
    838,804.95/1,157,564.01 = 456,831.43/x
  3. Step 3: Cross multiply
    838,804.95x = 1,157,564.01 × 456,831.43
  4. Step 4: Simplify right side
    838,804.95x = 528,811,620,824.04
  5. Step 5: Solve for x
    x = 528,811,620,824.04/838,804.95
  6. Step 6: Final answer
    x = 630,434.55

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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.