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Finding the Fourth Proportional to 1,258,693.36, 1,736,999.02 and 714,829.02

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Solution

The fourth proportional to 1,258,693.36, 1,736,999.02 and 714,829.02 is: 986,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,693.36 : 1,736,999.02 = 714,829.02 : x
  2. Step 2: Convert to fraction form
    1,258,693.36/1,736,999.02 = 714,829.02/x
  3. Step 3: Cross multiply
    1,258,693.36x = 1,736,999.02 × 714,829.02
  4. Step 4: Simplify right side
    1,258,693.36x = 1,241,657,307,207.56
  5. Step 5: Solve for x
    x = 1,241,657,307,207.56/1,258,693.36
  6. Step 6: Final answer
    x = 986,465.29

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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.