Home / 859,187.81-1,185,547.38-496,541.64

Finding the Fourth Proportional to 859,187.81, 1,185,547.38 and 496,541.64

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Solution

The fourth proportional to 859,187.81, 1,185,547.38 and 496,541.64 is: 685,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,187.81 : 1,185,547.38 = 496,541.64 : x
  2. Step 2: Convert to fraction form
    859,187.81/1,185,547.38 = 496,541.64/x
  3. Step 3: Cross multiply
    859,187.81x = 1,185,547.38 × 496,541.64
  4. Step 4: Simplify right side
    859,187.81x = 588,673,637,880.20
  5. Step 5: Solve for x
    x = 588,673,637,880.20/859,187.81
  6. Step 6: Final answer
    x = 685,151.29

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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.