Home / 918,053.08-1,266,543.29-554,846.37

Finding the Fourth Proportional to 918,053.08, 1,266,543.29 and 554,846.37

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Solution

The fourth proportional to 918,053.08, 1,266,543.29 and 554,846.37 is: 765,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,053.08 : 1,266,543.29 = 554,846.37 : x
  2. Step 2: Convert to fraction form
    918,053.08/1,266,543.29 = 554,846.37/x
  3. Step 3: Cross multiply
    918,053.08x = 1,266,543.29 × 554,846.37
  4. Step 4: Simplify right side
    918,053.08x = 702,736,946,904.36
  5. Step 5: Solve for x
    x = 702,736,946,904.36/918,053.08
  6. Step 6: Final answer
    x = 765,464.40

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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.