Home / 965,313.81-1,332,326.93-557,482.05

Finding the Fourth Proportional to 965,313.81, 1,332,326.93 and 557,482.05

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Solution

The fourth proportional to 965,313.81, 1,332,326.93 and 557,482.05 is: 769,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,313.81 : 1,332,326.93 = 557,482.05 : x
  2. Step 2: Convert to fraction form
    965,313.81/1,332,326.93 = 557,482.05/x
  3. Step 3: Cross multiply
    965,313.81x = 1,332,326.93 × 557,482.05
  4. Step 4: Simplify right side
    965,313.81x = 742,748,345,419.20
  5. Step 5: Solve for x
    x = 742,748,345,419.20/965,313.81
  6. Step 6: Final answer
    x = 769,437.19

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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.