Home / 963,939.81-1,330,281.78-534,219.98

Finding the Fourth Proportional to 963,939.81, 1,330,281.78 and 534,219.98

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Solution

The fourth proportional to 963,939.81, 1,330,281.78 and 534,219.98 is: 737,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,939.81 : 1,330,281.78 = 534,219.98 : x
  2. Step 2: Convert to fraction form
    963,939.81/1,330,281.78 = 534,219.98/x
  3. Step 3: Cross multiply
    963,939.81x = 1,330,281.78 × 534,219.98
  4. Step 4: Simplify right side
    963,939.81x = 710,663,105,905.96
  5. Step 5: Solve for x
    x = 710,663,105,905.96/963,939.81
  6. Step 6: Final answer
    x = 737,248.42

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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.