Home / 1,105,803.53-1,525,959.78-615,798.32

Finding the Fourth Proportional to 1,105,803.53, 1,525,959.78 and 615,798.32

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Solution

The fourth proportional to 1,105,803.53, 1,525,959.78 and 615,798.32 is: 849,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,803.53 : 1,525,959.78 = 615,798.32 : x
  2. Step 2: Convert to fraction form
    1,105,803.53/1,525,959.78 = 615,798.32/x
  3. Step 3: Cross multiply
    1,105,803.53x = 1,525,959.78 × 615,798.32
  4. Step 4: Simplify right side
    1,105,803.53x = 939,683,461,281.77
  5. Step 5: Solve for x
    x = 939,683,461,281.77/1,105,803.53
  6. Step 6: Final answer
    x = 849,774.34

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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.