Home / 926,321.40-1,389,482.10-572,027.40

Finding the Fourth Proportional to 926,321.40, 1,389,482.10 and 572,027.40

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Solution

The fourth proportional to 926,321.40, 1,389,482.10 and 572,027.40 is: 858,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,321.40 : 1,389,482.10 = 572,027.40 : x
  2. Step 2: Convert to fraction form
    926,321.40/1,389,482.10 = 572,027.40/x
  3. Step 3: Cross multiply
    926,321.40x = 1,389,482.10 × 572,027.40
  4. Step 4: Simplify right side
    926,321.40x = 794,821,833,009.54
  5. Step 5: Solve for x
    x = 794,821,833,009.54/926,321.40
  6. Step 6: Final answer
    x = 858,041.10

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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.