Home / 897,692.16-1,238,975.48-535,139.40

Finding the Fourth Proportional to 897,692.16, 1,238,975.48 and 535,139.40

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Solution

The fourth proportional to 897,692.16, 1,238,975.48 and 535,139.40 is: 738,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,692.16 : 1,238,975.48 = 535,139.40 : x
  2. Step 2: Convert to fraction form
    897,692.16/1,238,975.48 = 535,139.40/x
  3. Step 3: Cross multiply
    897,692.16x = 1,238,975.48 × 535,139.40
  4. Step 4: Simplify right side
    897,692.16x = 663,024,594,981.91
  5. Step 5: Solve for x
    x = 663,024,594,981.91/897,692.16
  6. Step 6: Final answer
    x = 738,587.93

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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.