Home / 1,015,122.34-1,400,869.12-556,233.16

Finding the Fourth Proportional to 1,015,122.34, 1,400,869.12 and 556,233.16

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Solution

The fourth proportional to 1,015,122.34, 1,400,869.12 and 556,233.16 is: 767,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,122.34 : 1,400,869.12 = 556,233.16 : x
  2. Step 2: Convert to fraction form
    1,015,122.34/1,400,869.12 = 556,233.16/x
  3. Step 3: Cross multiply
    1,015,122.34x = 1,400,869.12 × 556,233.16
  4. Step 4: Simplify right side
    1,015,122.34x = 779,209,857,364.02
  5. Step 5: Solve for x
    x = 779,209,857,364.02/1,015,122.34
  6. Step 6: Final answer
    x = 767,601.92

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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.