Home / 1,118,840.90-1,677,526.08-542,311.60

Finding the Fourth Proportional to 1,118,840.90, 1,677,526.08 and 542,311.60

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Solution

The fourth proportional to 1,118,840.90, 1,677,526.08 and 542,311.60 is: 813,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,840.90 : 1,677,526.08 = 542,311.60 : x
  2. Step 2: Convert to fraction form
    1,118,840.90/1,677,526.08 = 542,311.60/x
  3. Step 3: Cross multiply
    1,118,840.90x = 1,677,526.08 × 542,311.60
  4. Step 4: Simplify right side
    1,118,840.90x = 909,741,852,486.53
  5. Step 5: Solve for x
    x = 909,741,852,486.53/1,118,840.90
  6. Step 6: Final answer
    x = 813,111.01

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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.