Home / 970,702.76-1,339,570.86-540,973.16

Finding the Fourth Proportional to 970,702.76, 1,339,570.86 and 540,973.16

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Solution

The fourth proportional to 970,702.76, 1,339,570.86 and 540,973.16 is: 746,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,702.76 : 1,339,570.86 = 540,973.16 : x
  2. Step 2: Convert to fraction form
    970,702.76/1,339,570.86 = 540,973.16/x
  3. Step 3: Cross multiply
    970,702.76x = 1,339,570.86 × 540,973.16
  4. Step 4: Simplify right side
    970,702.76x = 724,671,881,178.12
  5. Step 5: Solve for x
    x = 724,671,881,178.12/970,702.76
  6. Step 6: Final answer
    x = 746,543.55

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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.