Home / 1,114,934.40-1,538,574-631,544.16

Finding the Fourth Proportional to 1,114,934.40, 1,538,574 and 631,544.16

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Solution

The fourth proportional to 1,114,934.40, 1,538,574 and 631,544.16 is: 871,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,934.40 : 1,538,574 = 631,544.16 : x
  2. Step 2: Convert to fraction form
    1,114,934.40/1,538,574 = 631,544.16/x
  3. Step 3: Cross multiply
    1,114,934.40x = 1,538,574 × 631,544.16
  4. Step 4: Simplify right side
    1,114,934.40x = 971,677,424,427.84
  5. Step 5: Solve for x
    x = 971,677,424,427.84/1,114,934.40
  6. Step 6: Final answer
    x = 871,510.85

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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.