Home / 1,772,779.80-2,657,355.30-872,837.40

Finding the Fourth Proportional to 1,772,779.80, 2,657,355.30 and 872,837.40

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Solution

The fourth proportional to 1,772,779.80, 2,657,355.30 and 872,837.40 is: 1,308,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,779.80 : 2,657,355.30 = 872,837.40 : x
  2. Step 2: Convert to fraction form
    1,772,779.80/2,657,355.30 = 872,837.40/x
  3. Step 3: Cross multiply
    1,772,779.80x = 2,657,355.30 × 872,837.40
  4. Step 4: Simplify right side
    1,772,779.80x = 2,319,439,090,928.22
  5. Step 5: Solve for x
    x = 2,319,439,090,928.22/1,772,779.80
  6. Step 6: Final answer
    x = 1,308,362.77

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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.