Home / 919,962.17-1,269,547.86-512,055.23

Finding the Fourth Proportional to 919,962.17, 1,269,547.86 and 512,055.23

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Solution

The fourth proportional to 919,962.17, 1,269,547.86 and 512,055.23 is: 706,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,962.17 : 1,269,547.86 = 512,055.23 : x
  2. Step 2: Convert to fraction form
    919,962.17/1,269,547.86 = 512,055.23/x
  3. Step 3: Cross multiply
    919,962.17x = 1,269,547.86 × 512,055.23
  4. Step 4: Simplify right side
    919,962.17x = 650,078,621,448.31
  5. Step 5: Solve for x
    x = 650,078,621,448.31/919,962.17
  6. Step 6: Final answer
    x = 706,636.25

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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.