Home / 926,038.90-1,389,112.11-357,423.16

Finding the Fourth Proportional to 926,038.90, 1,389,112.11 and 357,423.16

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Solution

The fourth proportional to 926,038.90, 1,389,112.11 and 357,423.16 is: 536,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,038.90 : 1,389,112.11 = 357,423.16 : x
  2. Step 2: Convert to fraction form
    926,038.90/1,389,112.11 = 357,423.16/x
  3. Step 3: Cross multiply
    926,038.90x = 1,389,112.11 × 357,423.16
  4. Step 4: Simplify right side
    926,038.90x = 496,500,839,950.47
  5. Step 5: Solve for x
    x = 496,500,839,950.47/926,038.90
  6. Step 6: Final answer
    x = 536,155.49

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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.