Home / 971,870.16-1,341,171.65-536,291.52

Finding the Fourth Proportional to 971,870.16, 1,341,171.65 and 536,291.52

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Solution

The fourth proportional to 971,870.16, 1,341,171.65 and 536,291.52 is: 740,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,870.16 : 1,341,171.65 = 536,291.52 : x
  2. Step 2: Convert to fraction form
    971,870.16/1,341,171.65 = 536,291.52/x
  3. Step 3: Cross multiply
    971,870.16x = 1,341,171.65 × 536,291.52
  4. Step 4: Simplify right side
    971,870.16x = 719,258,980,077.95
  5. Step 5: Solve for x
    x = 719,258,980,077.95/971,870.16
  6. Step 6: Final answer
    x = 740,077.23

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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.