Home / 1,007,746.65-1,390,666.32-577,999.33

Finding the Fourth Proportional to 1,007,746.65, 1,390,666.32 and 577,999.33

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Solution

The fourth proportional to 1,007,746.65, 1,390,666.32 and 577,999.33 is: 797,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,746.65 : 1,390,666.32 = 577,999.33 : x
  2. Step 2: Convert to fraction form
    1,007,746.65/1,390,666.32 = 577,999.33/x
  3. Step 3: Cross multiply
    1,007,746.65x = 1,390,666.32 × 577,999.33
  4. Step 4: Simplify right side
    1,007,746.65x = 803,804,197,736.90
  5. Step 5: Solve for x
    x = 803,804,197,736.90/1,007,746.65
  6. Step 6: Final answer
    x = 797,625.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.