Home / 926,897.40-1,390,346.10-528,766.20

Finding the Fourth Proportional to 926,897.40, 1,390,346.10 and 528,766.20

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Solution

The fourth proportional to 926,897.40, 1,390,346.10 and 528,766.20 is: 793,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,897.40 : 1,390,346.10 = 528,766.20 : x
  2. Step 2: Convert to fraction form
    926,897.40/1,390,346.10 = 528,766.20/x
  3. Step 3: Cross multiply
    926,897.40x = 1,390,346.10 × 528,766.20
  4. Step 4: Simplify right side
    926,897.40x = 735,168,023,981.82
  5. Step 5: Solve for x
    x = 735,168,023,981.82/926,897.40
  6. Step 6: Final answer
    x = 793,149.30

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Double scale
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Similar ratio
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1.5x scale

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.