Home / 916,075.86-1,264,192.26-508,204.40

Finding the Fourth Proportional to 916,075.86, 1,264,192.26 and 508,204.40

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Solution

The fourth proportional to 916,075.86, 1,264,192.26 and 508,204.40 is: 701,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,075.86 : 1,264,192.26 = 508,204.40 : x
  2. Step 2: Convert to fraction form
    916,075.86/1,264,192.26 = 508,204.40/x
  3. Step 3: Cross multiply
    916,075.86x = 1,264,192.26 × 508,204.40
  4. Step 4: Simplify right side
    916,075.86x = 642,468,068,977.94
  5. Step 5: Solve for x
    x = 642,468,068,977.94/916,075.86
  6. Step 6: Final answer
    x = 701,326.27

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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.