Home / 1,680,783.36-2,319,495.84-916,840.32

Finding the Fourth Proportional to 1,680,783.36, 2,319,495.84 and 916,840.32

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Solution

The fourth proportional to 1,680,783.36, 2,319,495.84 and 916,840.32 is: 1,265,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,783.36 : 2,319,495.84 = 916,840.32 : x
  2. Step 2: Convert to fraction form
    1,680,783.36/2,319,495.84 = 916,840.32/x
  3. Step 3: Cross multiply
    1,680,783.36x = 2,319,495.84 × 916,840.32
  4. Step 4: Simplify right side
    1,680,783.36x = 2,126,607,308,184.27
  5. Step 5: Solve for x
    x = 2,126,607,308,184.27/1,680,783.36
  6. Step 6: Final answer
    x = 1,265,247.72

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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.