Home / 1,870,656.40-2,806,810.80-910,579.60

Finding the Fourth Proportional to 1,870,656.40, 2,806,810.80 and 910,579.60

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Solution

The fourth proportional to 1,870,656.40, 2,806,810.80 and 910,579.60 is: 1,366,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,656.40 : 2,806,810.80 = 910,579.60 : x
  2. Step 2: Convert to fraction form
    1,870,656.40/2,806,810.80 = 910,579.60/x
  3. Step 3: Cross multiply
    1,870,656.40x = 2,806,810.80 × 910,579.60
  4. Step 4: Simplify right side
    1,870,656.40x = 2,555,824,655,539.68
  5. Step 5: Solve for x
    x = 2,555,824,655,539.68/1,870,656.40
  6. Step 6: Final answer
    x = 1,366,271.57

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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.