Home / 971,681.61-1,341,350.58-627,685.24

Finding the Fourth Proportional to 971,681.61, 1,341,350.58 and 627,685.24

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Solution

The fourth proportional to 971,681.61, 1,341,350.58 and 627,685.24 is: 866,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,681.61 : 1,341,350.58 = 627,685.24 : x
  2. Step 2: Convert to fraction form
    971,681.61/1,341,350.58 = 627,685.24/x
  3. Step 3: Cross multiply
    971,681.61x = 1,341,350.58 × 627,685.24
  4. Step 4: Simplify right side
    971,681.61x = 841,945,961,070.01
  5. Step 5: Solve for x
    x = 841,945,961,070.01/971,681.61
  6. Step 6: Final answer
    x = 866,483.38

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1.5x scale

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.