Home / 926,864.40-1,390,296.60-528,733.20

Finding the Fourth Proportional to 926,864.40, 1,390,296.60 and 528,733.20

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Solution

The fourth proportional to 926,864.40, 1,390,296.60 and 528,733.20 is: 793,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,864.40 : 1,390,296.60 = 528,733.20 : x
  2. Step 2: Convert to fraction form
    926,864.40/1,390,296.60 = 528,733.20/x
  3. Step 3: Cross multiply
    926,864.40x = 1,390,296.60 × 528,733.20
  4. Step 4: Simplify right side
    926,864.40x = 735,095,970,267.12
  5. Step 5: Solve for x
    x = 735,095,970,267.12/926,864.40
  6. Step 6: Final answer
    x = 793,099.80

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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.