Home / 760,813.02-1,051,015.58-607,650.12

Finding the Fourth Proportional to 760,813.02, 1,051,015.58 and 607,650.12

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Solution

The fourth proportional to 760,813.02, 1,051,015.58 and 607,650.12 is: 839,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,813.02 : 1,051,015.58 = 607,650.12 : x
  2. Step 2: Convert to fraction form
    760,813.02/1,051,015.58 = 607,650.12/x
  3. Step 3: Cross multiply
    760,813.02x = 1,051,015.58 × 607,650.12
  4. Step 4: Simplify right side
    760,813.02x = 638,649,743,308.87
  5. Step 5: Solve for x
    x = 638,649,743,308.87/760,813.02
  6. Step 6: Final answer
    x = 839,430.62

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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.