Home / 665,629.84-918,569.66-363,823.84

Finding the Fourth Proportional to 665,629.84, 918,569.66 and 363,823.84

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Solution

The fourth proportional to 665,629.84, 918,569.66 and 363,823.84 is: 502,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,629.84 : 918,569.66 = 363,823.84 : x
  2. Step 2: Convert to fraction form
    665,629.84/918,569.66 = 363,823.84/x
  3. Step 3: Cross multiply
    665,629.84x = 918,569.66 × 363,823.84
  4. Step 4: Simplify right side
    665,629.84x = 334,197,541,008.69
  5. Step 5: Solve for x
    x = 334,197,541,008.69/665,629.84
  6. Step 6: Final answer
    x = 502,077.16

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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.