Home / 841,621.37-1,161,444.90-479,068.56

Finding the Fourth Proportional to 841,621.37, 1,161,444.90 and 479,068.56

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Solution

The fourth proportional to 841,621.37, 1,161,444.90 and 479,068.56 is: 661,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,621.37 : 1,161,444.90 = 479,068.56 : x
  2. Step 2: Convert to fraction form
    841,621.37/1,161,444.90 = 479,068.56/x
  3. Step 3: Cross multiply
    841,621.37x = 1,161,444.90 × 479,068.56
  4. Step 4: Simplify right side
    841,621.37x = 556,411,735,762.34
  5. Step 5: Solve for x
    x = 556,411,735,762.34/841,621.37
  6. Step 6: Final answer
    x = 661,118.83

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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.