Home / 858,567.76-1,184,946.72-514,417.28

Finding the Fourth Proportional to 858,567.76, 1,184,946.72 and 514,417.28

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Solution

The fourth proportional to 858,567.76, 1,184,946.72 and 514,417.28 is: 709,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,567.76 : 1,184,946.72 = 514,417.28 : x
  2. Step 2: Convert to fraction form
    858,567.76/1,184,946.72 = 514,417.28/x
  3. Step 3: Cross multiply
    858,567.76x = 1,184,946.72 × 514,417.28
  4. Step 4: Simplify right side
    858,567.76x = 609,557,068,647.32
  5. Step 5: Solve for x
    x = 609,557,068,647.32/858,567.76
  6. Step 6: Final answer
    x = 709,969.67

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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.