Home / 1,030,201.19-1,421,681.72-571,358.40

Finding the Fourth Proportional to 1,030,201.19, 1,421,681.72 and 571,358.40

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Solution

The fourth proportional to 1,030,201.19, 1,421,681.72 and 571,358.40 is: 788,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,201.19 : 1,421,681.72 = 571,358.40 : x
  2. Step 2: Convert to fraction form
    1,030,201.19/1,421,681.72 = 571,358.40/x
  3. Step 3: Cross multiply
    1,030,201.19x = 1,421,681.72 × 571,358.40
  4. Step 4: Simplify right side
    1,030,201.19x = 812,289,792,848.45
  5. Step 5: Solve for x
    x = 812,289,792,848.45/1,030,201.19
  6. Step 6: Final answer
    x = 788,476.85

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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.