Home / 849,921.03-1,172,539.59-505,688.13

Finding the Fourth Proportional to 849,921.03, 1,172,539.59 and 505,688.13

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Solution

The fourth proportional to 849,921.03, 1,172,539.59 and 505,688.13 is: 697,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,921.03 : 1,172,539.59 = 505,688.13 : x
  2. Step 2: Convert to fraction form
    849,921.03/1,172,539.59 = 505,688.13/x
  3. Step 3: Cross multiply
    849,921.03x = 1,172,539.59 × 505,688.13
  4. Step 4: Simplify right side
    849,921.03x = 592,939,352,618.07
  5. Step 5: Solve for x
    x = 592,939,352,618.07/849,921.03
  6. Step 6: Final answer
    x = 697,640.52

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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.