Home / 783,535.20-1,081,263.12-456,909.12

Finding the Fourth Proportional to 783,535.20, 1,081,263.12 and 456,909.12

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Solution

The fourth proportional to 783,535.20, 1,081,263.12 and 456,909.12 is: 630,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,535.20 : 1,081,263.12 = 456,909.12 : x
  2. Step 2: Convert to fraction form
    783,535.20/1,081,263.12 = 456,909.12/x
  3. Step 3: Cross multiply
    783,535.20x = 1,081,263.12 × 456,909.12
  4. Step 4: Simplify right side
    783,535.20x = 494,038,980,647.65
  5. Step 5: Solve for x
    x = 494,038,980,647.65/783,535.20
  6. Step 6: Final answer
    x = 630,525.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.