Home / 1,657,931.09-2,287,944.35-922,869.40

Finding the Fourth Proportional to 1,657,931.09, 2,287,944.35 and 922,869.40

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Solution

The fourth proportional to 1,657,931.09, 2,287,944.35 and 922,869.40 is: 1,273,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,931.09 : 2,287,944.35 = 922,869.40 : x
  2. Step 2: Convert to fraction form
    1,657,931.09/2,287,944.35 = 922,869.40/x
  3. Step 3: Cross multiply
    1,657,931.09x = 2,287,944.35 × 922,869.40
  4. Step 4: Simplify right side
    1,657,931.09x = 2,111,473,829,517.89
  5. Step 5: Solve for x
    x = 2,111,473,829,517.89/1,657,931.09
  6. Step 6: Final answer
    x = 1,273,559.46

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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.