Home / 934,018.40-1,402,064.40-579,432.80

Finding the Fourth Proportional to 934,018.40, 1,402,064.40 and 579,432.80

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Solution

The fourth proportional to 934,018.40, 1,402,064.40 and 579,432.80 is: 869,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,018.40 : 1,402,064.40 = 579,432.80 : x
  2. Step 2: Convert to fraction form
    934,018.40/1,402,064.40 = 579,432.80/x
  3. Step 3: Cross multiply
    934,018.40x = 1,402,064.40 × 579,432.80
  4. Step 4: Simplify right side
    934,018.40x = 812,402,101,072.32
  5. Step 5: Solve for x
    x = 812,402,101,072.32/934,018.40
  6. Step 6: Final answer
    x = 869,792.39

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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.