Home / 1,681,130.64-2,319,914.16-917,184

Finding the Fourth Proportional to 1,681,130.64, 2,319,914.16 and 917,184

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Solution

The fourth proportional to 1,681,130.64, 2,319,914.16 and 917,184 is: 1,265,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,130.64 : 2,319,914.16 = 917,184 : x
  2. Step 2: Convert to fraction form
    1,681,130.64/2,319,914.16 = 917,184/x
  3. Step 3: Cross multiply
    1,681,130.64x = 2,319,914.16 × 917,184
  4. Step 4: Simplify right side
    1,681,130.64x = 2,127,788,148,925.44
  5. Step 5: Solve for x
    x = 2,127,788,148,925.44/1,681,130.64
  6. Step 6: Final answer
    x = 1,265,688.76

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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.