Home / 1,118,276.60-1,677,414.90-519,038.60

Finding the Fourth Proportional to 1,118,276.60, 1,677,414.90 and 519,038.60

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Solution

The fourth proportional to 1,118,276.60, 1,677,414.90 and 519,038.60 is: 778,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,276.60 : 1,677,414.90 = 519,038.60 : x
  2. Step 2: Convert to fraction form
    1,118,276.60/1,677,414.90 = 519,038.60/x
  3. Step 3: Cross multiply
    1,118,276.60x = 1,677,414.90 × 519,038.60
  4. Step 4: Simplify right side
    1,118,276.60x = 870,643,081,315.14
  5. Step 5: Solve for x
    x = 870,643,081,315.14/1,118,276.60
  6. Step 6: Final answer
    x = 778,557.90

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Similar ratio
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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.