Home / 738,329.58-1,018,899.54-432,586.98

Finding the Fourth Proportional to 738,329.58, 1,018,899.54 and 432,586.98

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Solution

The fourth proportional to 738,329.58, 1,018,899.54 and 432,586.98 is: 596,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,329.58 : 1,018,899.54 = 432,586.98 : x
  2. Step 2: Convert to fraction form
    738,329.58/1,018,899.54 = 432,586.98/x
  3. Step 3: Cross multiply
    738,329.58x = 1,018,899.54 × 432,586.98
  4. Step 4: Simplify right side
    738,329.58x = 440,762,674,931.99
  5. Step 5: Solve for x
    x = 440,762,674,931.99/738,329.58
  6. Step 6: Final answer
    x = 596,972.80

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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.