Home / 839,011.80-1,157,830.35-457,038.60

Finding the Fourth Proportional to 839,011.80, 1,157,830.35 and 457,038.60

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Solution

The fourth proportional to 839,011.80, 1,157,830.35 and 457,038.60 is: 630,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,011.80 : 1,157,830.35 = 457,038.60 : x
  2. Step 2: Convert to fraction form
    839,011.80/1,157,830.35 = 457,038.60/x
  3. Step 3: Cross multiply
    839,011.80x = 1,157,830.35 × 457,038.60
  4. Step 4: Simplify right side
    839,011.80x = 529,173,162,201.51
  5. Step 5: Solve for x
    x = 529,173,162,201.51/839,011.80
  6. Step 6: Final answer
    x = 630,710.04

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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.