Home / 760,816.45-1,051,020.32-607,653.55

Finding the Fourth Proportional to 760,816.45, 1,051,020.32 and 607,653.55

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Solution

The fourth proportional to 760,816.45, 1,051,020.32 and 607,653.55 is: 839,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,816.45 : 1,051,020.32 = 607,653.55 : x
  2. Step 2: Convert to fraction form
    760,816.45/1,051,020.32 = 607,653.55/x
  3. Step 3: Cross multiply
    760,816.45x = 1,051,020.32 × 607,653.55
  4. Step 4: Simplify right side
    760,816.45x = 638,656,228,570.14
  5. Step 5: Solve for x
    x = 638,656,228,570.14/760,816.45
  6. Step 6: Final answer
    x = 839,435.36

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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.