Home / 973,397.40-1,343,280.51-537,813.38

Finding the Fourth Proportional to 973,397.40, 1,343,280.51 and 537,813.38

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Solution

The fourth proportional to 973,397.40, 1,343,280.51 and 537,813.38 is: 742,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,397.40 : 1,343,280.51 = 537,813.38 : x
  2. Step 2: Convert to fraction form
    973,397.40/1,343,280.51 = 537,813.38/x
  3. Step 3: Cross multiply
    973,397.40x = 1,343,280.51 × 537,813.38
  4. Step 4: Simplify right side
    973,397.40x = 722,434,224,654.82
  5. Step 5: Solve for x
    x = 722,434,224,654.82/973,397.40
  6. Step 6: Final answer
    x = 742,178.09

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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.