Home / 926,953.80-1,390,430.70-295,931.40

Finding the Fourth Proportional to 926,953.80, 1,390,430.70 and 295,931.40

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Solution

The fourth proportional to 926,953.80, 1,390,430.70 and 295,931.40 is: 443,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,953.80 : 1,390,430.70 = 295,931.40 : x
  2. Step 2: Convert to fraction form
    926,953.80/1,390,430.70 = 295,931.40/x
  3. Step 3: Cross multiply
    926,953.80x = 1,390,430.70 × 295,931.40
  4. Step 4: Simplify right side
    926,953.80x = 411,472,103,653.98
  5. Step 5: Solve for x
    x = 411,472,103,653.98/926,953.80
  6. Step 6: Final answer
    x = 443,897.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.