Home / 1,111,115.16-1,533,463.35-627,711.42

Finding the Fourth Proportional to 1,111,115.16, 1,533,463.35 and 627,711.42

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Solution

The fourth proportional to 1,111,115.16, 1,533,463.35 and 627,711.42 is: 866,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,115.16 : 1,533,463.35 = 627,711.42 : x
  2. Step 2: Convert to fraction form
    1,111,115.16/1,533,463.35 = 627,711.42/x
  3. Step 3: Cross multiply
    1,111,115.16x = 1,533,463.35 × 627,711.42
  4. Step 4: Simplify right side
    1,111,115.16x = 962,572,456,946.46
  5. Step 5: Solve for x
    x = 962,572,456,946.46/1,111,115.16
  6. Step 6: Final answer
    x = 866,312.05

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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.