Home / 982,904.02-1,355,887.29-676,448.35

Finding the Fourth Proportional to 982,904.02, 1,355,887.29 and 676,448.35

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Solution

The fourth proportional to 982,904.02, 1,355,887.29 and 676,448.35 is: 933,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,904.02 : 1,355,887.29 = 676,448.35 : x
  2. Step 2: Convert to fraction form
    982,904.02/1,355,887.29 = 676,448.35/x
  3. Step 3: Cross multiply
    982,904.02x = 1,355,887.29 × 676,448.35
  4. Step 4: Simplify right side
    982,904.02x = 917,187,720,106.47
  5. Step 5: Solve for x
    x = 917,187,720,106.47/982,904.02
  6. Step 6: Final answer
    x = 933,140.67

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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.