Home / 910,543.60-1,365,815.40-611,945.20

Finding the Fourth Proportional to 910,543.60, 1,365,815.40 and 611,945.20

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Solution

The fourth proportional to 910,543.60, 1,365,815.40 and 611,945.20 is: 917,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,543.60 : 1,365,815.40 = 611,945.20 : x
  2. Step 2: Convert to fraction form
    910,543.60/1,365,815.40 = 611,945.20/x
  3. Step 3: Cross multiply
    910,543.60x = 1,365,815.40 × 611,945.20
  4. Step 4: Simplify right side
    910,543.60x = 835,804,178,116.08
  5. Step 5: Solve for x
    x = 835,804,178,116.08/910,543.60
  6. Step 6: Final answer
    x = 917,917.80

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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.