Home / 853,866.36-1,178,885.34-548,075.16

Finding the Fourth Proportional to 853,866.36, 1,178,885.34 and 548,075.16

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Solution

The fourth proportional to 853,866.36, 1,178,885.34 and 548,075.16 is: 756,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,866.36 : 1,178,885.34 = 548,075.16 : x
  2. Step 2: Convert to fraction form
    853,866.36/1,178,885.34 = 548,075.16/x
  3. Step 3: Cross multiply
    853,866.36x = 1,178,885.34 × 548,075.16
  4. Step 4: Simplify right side
    853,866.36x = 646,117,771,342.16
  5. Step 5: Solve for x
    x = 646,117,771,342.16/853,866.36
  6. Step 6: Final answer
    x = 756,696.60

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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.