Home / 994,712.70-1,492,510.08-521,285.52

Finding the Fourth Proportional to 994,712.70, 1,492,510.08 and 521,285.52

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Solution

The fourth proportional to 994,712.70, 1,492,510.08 and 521,285.52 is: 782,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,712.70 : 1,492,510.08 = 521,285.52 : x
  2. Step 2: Convert to fraction form
    994,712.70/1,492,510.08 = 521,285.52/x
  3. Step 3: Cross multiply
    994,712.70x = 1,492,510.08 × 521,285.52
  4. Step 4: Simplify right side
    994,712.70x = 778,023,893,158.04
  5. Step 5: Solve for x
    x = 778,023,893,158.04/994,712.70
  6. Step 6: Final answer
    x = 782,159.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.