Home / 1,141,039.86-1,574,740.65-631,742.25

Finding the Fourth Proportional to 1,141,039.86, 1,574,740.65 and 631,742.25

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Solution

The fourth proportional to 1,141,039.86, 1,574,740.65 and 631,742.25 is: 871,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,039.86 : 1,574,740.65 = 631,742.25 : x
  2. Step 2: Convert to fraction form
    1,141,039.86/1,574,740.65 = 631,742.25/x
  3. Step 3: Cross multiply
    1,141,039.86x = 1,574,740.65 × 631,742.25
  4. Step 4: Simplify right side
    1,141,039.86x = 994,830,201,397.46
  5. Step 5: Solve for x
    x = 994,830,201,397.46/1,141,039.86
  6. Step 6: Final answer
    x = 871,862.79

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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.