Home / 832,807.85-1,149,278.50-450,834.63

Finding the Fourth Proportional to 832,807.85, 1,149,278.50 and 450,834.63

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Solution

The fourth proportional to 832,807.85, 1,149,278.50 and 450,834.63 is: 622,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,807.85 : 1,149,278.50 = 450,834.63 : x
  2. Step 2: Convert to fraction form
    832,807.85/1,149,278.50 = 450,834.63/x
  3. Step 3: Cross multiply
    832,807.85x = 1,149,278.50 × 450,834.63
  4. Step 4: Simplify right side
    832,807.85x = 518,134,547,314.46
  5. Step 5: Solve for x
    x = 518,134,547,314.46/832,807.85
  6. Step 6: Final answer
    x = 622,153.77

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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.