Home / 807,607.52-1,114,547.16-445,030.76

Finding the Fourth Proportional to 807,607.52, 1,114,547.16 and 445,030.76

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Solution

The fourth proportional to 807,607.52, 1,114,547.16 and 445,030.76 is: 614,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,607.52 : 1,114,547.16 = 445,030.76 : x
  2. Step 2: Convert to fraction form
    807,607.52/1,114,547.16 = 445,030.76/x
  3. Step 3: Cross multiply
    807,607.52x = 1,114,547.16 × 445,030.76
  4. Step 4: Simplify right side
    807,607.52x = 496,007,769,670.64
  5. Step 5: Solve for x
    x = 496,007,769,670.64/807,607.52
  6. Step 6: Final answer
    x = 614,169.33

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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.