Home / 751,346.16-1,036,253.70-660,509.52

Finding the Fourth Proportional to 751,346.16, 1,036,253.70 and 660,509.52

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Solution

The fourth proportional to 751,346.16, 1,036,253.70 and 660,509.52 is: 910,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,346.16 : 1,036,253.70 = 660,509.52 : x
  2. Step 2: Convert to fraction form
    751,346.16/1,036,253.70 = 660,509.52/x
  3. Step 3: Cross multiply
    751,346.16x = 1,036,253.70 × 660,509.52
  4. Step 4: Simplify right side
    751,346.16x = 684,455,433,985.22
  5. Step 5: Solve for x
    x = 684,455,433,985.22/751,346.16
  6. Step 6: Final answer
    x = 910,972.16

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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.