Home / 953,920.80-1,316,123.64-571,808.16

Finding the Fourth Proportional to 953,920.80, 1,316,123.64 and 571,808.16

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Solution

The fourth proportional to 953,920.80, 1,316,123.64 and 571,808.16 is: 788,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,920.80 : 1,316,123.64 = 571,808.16 : x
  2. Step 2: Convert to fraction form
    953,920.80/1,316,123.64 = 571,808.16/x
  3. Step 3: Cross multiply
    953,920.80x = 1,316,123.64 × 571,808.16
  4. Step 4: Simplify right side
    953,920.80x = 752,570,236,920.90
  5. Step 5: Solve for x
    x = 752,570,236,920.90/953,920.80
  6. Step 6: Final answer
    x = 788,923.19

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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.