Home / 1,355,805.60-2,033,881.20-514,597.92

Finding the Fourth Proportional to 1,355,805.60, 2,033,881.20 and 514,597.92

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Solution

The fourth proportional to 1,355,805.60, 2,033,881.20 and 514,597.92 is: 771,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,805.60 : 2,033,881.20 = 514,597.92 : x
  2. Step 2: Convert to fraction form
    1,355,805.60/2,033,881.20 = 514,597.92/x
  3. Step 3: Cross multiply
    1,355,805.60x = 2,033,881.20 × 514,597.92
  4. Step 4: Simplify right side
    1,355,805.60x = 1,046,631,035,047.10
  5. Step 5: Solve for x
    x = 1,046,631,035,047.10/1,355,805.60
  6. Step 6: Final answer
    x = 771,962.47

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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.