Home / 1,125,123.40-1,552,667.70-615,821.32

Finding the Fourth Proportional to 1,125,123.40, 1,552,667.70 and 615,821.32

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Solution

The fourth proportional to 1,125,123.40, 1,552,667.70 and 615,821.32 is: 849,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,123.40 : 1,552,667.70 = 615,821.32 : x
  2. Step 2: Convert to fraction form
    1,125,123.40/1,552,667.70 = 615,821.32/x
  3. Step 3: Cross multiply
    1,125,123.40x = 1,552,667.70 × 615,821.32
  4. Step 4: Simplify right side
    1,125,123.40x = 956,165,872,535.36
  5. Step 5: Solve for x
    x = 956,165,872,535.36/1,125,123.40
  6. Step 6: Final answer
    x = 849,832.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.