Home / 760,129.51-1,048,907.31-514,614.84

Finding the Fourth Proportional to 760,129.51, 1,048,907.31 and 514,614.84

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Solution

The fourth proportional to 760,129.51, 1,048,907.31 and 514,614.84 is: 710,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,129.51 : 1,048,907.31 = 514,614.84 : x
  2. Step 2: Convert to fraction form
    760,129.51/1,048,907.31 = 514,614.84/x
  3. Step 3: Cross multiply
    760,129.51x = 1,048,907.31 × 514,614.84
  4. Step 4: Simplify right side
    760,129.51x = 539,783,267,201.15
  5. Step 5: Solve for x
    x = 539,783,267,201.15/760,129.51
  6. Step 6: Final answer
    x = 710,120.13

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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.