Home / 859,285.04-1,185,812.76-477,347.36

Finding the Fourth Proportional to 859,285.04, 1,185,812.76 and 477,347.36

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Solution

The fourth proportional to 859,285.04, 1,185,812.76 and 477,347.36 is: 658,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,285.04 : 1,185,812.76 = 477,347.36 : x
  2. Step 2: Convert to fraction form
    859,285.04/1,185,812.76 = 477,347.36/x
  3. Step 3: Cross multiply
    859,285.04x = 1,185,812.76 × 477,347.36
  4. Step 4: Simplify right side
    859,285.04x = 566,044,590,440.31
  5. Step 5: Solve for x
    x = 566,044,590,440.31/859,285.04
  6. Step 6: Final answer
    x = 658,739.03

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1.5x scale

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.