Home / 688,955.04-1,032,809.76-245,619.36

Finding the Fourth Proportional to 688,955.04, 1,032,809.76 and 245,619.36

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Solution

The fourth proportional to 688,955.04, 1,032,809.76 and 245,619.36 is: 368,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,955.04 : 1,032,809.76 = 245,619.36 : x
  2. Step 2: Convert to fraction form
    688,955.04/1,032,809.76 = 245,619.36/x
  3. Step 3: Cross multiply
    688,955.04x = 1,032,809.76 × 245,619.36
  4. Step 4: Simplify right side
    688,955.04x = 253,678,072,252.95
  5. Step 5: Solve for x
    x = 253,678,072,252.95/688,955.04
  6. Step 6: Final answer
    x = 368,207.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.