Home / 956,602.54-1,320,136.50-521,036.40

Finding the Fourth Proportional to 956,602.54, 1,320,136.50 and 521,036.40

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Solution

The fourth proportional to 956,602.54, 1,320,136.50 and 521,036.40 is: 719,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,602.54 : 1,320,136.50 = 521,036.40 : x
  2. Step 2: Convert to fraction form
    956,602.54/1,320,136.50 = 521,036.40/x
  3. Step 3: Cross multiply
    956,602.54x = 1,320,136.50 × 521,036.40
  4. Step 4: Simplify right side
    956,602.54x = 687,839,169,468.60
  5. Step 5: Solve for x
    x = 687,839,169,468.60/956,602.54
  6. Step 6: Final answer
    x = 719,043.85

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Double scale
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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.