Home / 1,030,330.59-1,421,785.38-571,402.09

Finding the Fourth Proportional to 1,030,330.59, 1,421,785.38 and 571,402.09

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Solution

The fourth proportional to 1,030,330.59, 1,421,785.38 and 571,402.09 is: 788,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,330.59 : 1,421,785.38 = 571,402.09 : x
  2. Step 2: Convert to fraction form
    1,030,330.59/1,421,785.38 = 571,402.09/x
  3. Step 3: Cross multiply
    1,030,330.59x = 1,421,785.38 × 571,402.09
  4. Step 4: Simplify right side
    1,030,330.59x = 812,411,137,663.44
  5. Step 5: Solve for x
    x = 812,411,137,663.44/1,030,330.59
  6. Step 6: Final answer
    x = 788,495.60

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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.