Home / 916,168.15-1,374,699.35-648,019.18

Finding the Fourth Proportional to 916,168.15, 1,374,699.35 and 648,019.18

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Solution

The fourth proportional to 916,168.15, 1,374,699.35 and 648,019.18 is: 972,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,168.15 : 1,374,699.35 = 648,019.18 : x
  2. Step 2: Convert to fraction form
    916,168.15/1,374,699.35 = 648,019.18/x
  3. Step 3: Cross multiply
    916,168.15x = 1,374,699.35 × 648,019.18
  4. Step 4: Simplify right side
    916,168.15x = 890,831,545,533.53
  5. Step 5: Solve for x
    x = 890,831,545,533.53/916,168.15
  6. Step 6: Final answer
    x = 972,345.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.