Home / 913,328.04-1,260,395.15-505,458.01

Finding the Fourth Proportional to 913,328.04, 1,260,395.15 and 505,458.01

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Solution

The fourth proportional to 913,328.04, 1,260,395.15 and 505,458.01 is: 697,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,328.04 : 1,260,395.15 = 505,458.01 : x
  2. Step 2: Convert to fraction form
    913,328.04/1,260,395.15 = 505,458.01/x
  3. Step 3: Cross multiply
    913,328.04x = 1,260,395.15 × 505,458.01
  4. Step 4: Simplify right side
    913,328.04x = 637,076,827,171.79
  5. Step 5: Solve for x
    x = 637,076,827,171.79/913,328.04
  6. Step 6: Final answer
    x = 697,533.41

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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.