Home / 1,342,402.47-1,852,097.40-761,529.20

Finding the Fourth Proportional to 1,342,402.47, 1,852,097.40 and 761,529.20

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Solution

The fourth proportional to 1,342,402.47, 1,852,097.40 and 761,529.20 is: 1,050,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,402.47 : 1,852,097.40 = 761,529.20 : x
  2. Step 2: Convert to fraction form
    1,342,402.47/1,852,097.40 = 761,529.20/x
  3. Step 3: Cross multiply
    1,342,402.47x = 1,852,097.40 × 761,529.20
  4. Step 4: Simplify right side
    1,342,402.47x = 1,410,426,242,083.59
  5. Step 5: Solve for x
    x = 1,410,426,242,083.59/1,342,402.47
  6. Step 6: Final answer
    x = 1,050,673.16

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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.