Home / 926,259.60-1,389,389.40-365,221.20

Finding the Fourth Proportional to 926,259.60, 1,389,389.40 and 365,221.20

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Solution

The fourth proportional to 926,259.60, 1,389,389.40 and 365,221.20 is: 547,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,259.60 : 1,389,389.40 = 365,221.20 : x
  2. Step 2: Convert to fraction form
    926,259.60/1,389,389.40 = 365,221.20/x
  3. Step 3: Cross multiply
    926,259.60x = 1,389,389.40 × 365,221.20
  4. Step 4: Simplify right side
    926,259.60x = 507,434,463,935.28
  5. Step 5: Solve for x
    x = 507,434,463,935.28/926,259.60
  6. Step 6: Final answer
    x = 547,831.80

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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.