Home / 916,529.02-1,264,810.75-508,631.15

Finding the Fourth Proportional to 916,529.02, 1,264,810.75 and 508,631.15

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Solution

The fourth proportional to 916,529.02, 1,264,810.75 and 508,631.15 is: 701,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,529.02 : 1,264,810.75 = 508,631.15 : x
  2. Step 2: Convert to fraction form
    916,529.02/1,264,810.75 = 508,631.15/x
  3. Step 3: Cross multiply
    916,529.02x = 1,264,810.75 × 508,631.15
  4. Step 4: Simplify right side
    916,529.02x = 643,322,141,080.75
  5. Step 5: Solve for x
    x = 643,322,141,080.75/916,529.02
  6. Step 6: Final answer
    x = 701,911.37

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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.