Home / 1,002,897.40-1,502,931.56-553,820.44

Finding the Fourth Proportional to 1,002,897.40, 1,502,931.56 and 553,820.44

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Solution

The fourth proportional to 1,002,897.40, 1,502,931.56 and 553,820.44 is: 829,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,897.40 : 1,502,931.56 = 553,820.44 : x
  2. Step 2: Convert to fraction form
    1,002,897.40/1,502,931.56 = 553,820.44/x
  3. Step 3: Cross multiply
    1,002,897.40x = 1,502,931.56 × 553,820.44
  4. Step 4: Simplify right side
    1,002,897.40x = 832,354,217,849.09
  5. Step 5: Solve for x
    x = 832,354,217,849.09/1,002,897.40
  6. Step 6: Final answer
    x = 829,949.52

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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.